Origin and distribution of the world, many countries have introduced Simmental breeding in the country or cultivated, bred Simmental own, and called the name of the country is named. Chinese Simmental breeds bred in 2006 while in Inner Mongolia and Liangshan County of Shandong Province. Chinese Simmental due to different ecological nurturing place, divided into plains, grasslands, mountains of the three groups, the size of the population of one million. The varieties of coat color is yellow white or red and white flowers. Three groups of cattle were 130.8,128.3 body height and 127.5 cm; body length was 165.7. 147.6 and 143.l cm. The genetic basis of various types of Key species of cattle has reached the level of genetic homogeneity. The average birth weight of 41.6 kg calf, 6 months old weighing 199.4 kg, 12-month weight 324 kg, 434 kg 18 months, 24 months 592 kg. The average 4300 kg milk yield, milk fat 4.0%. The results slaughter, slaughter rate averaged 61.4 percent, 50.0 percent lean percentage, loin eye area of ??90.5 square centimeters. Fast early growth is one of the main characteristics of the breed. Therefore, our country will become an important future use varieties of beef production. Simmental originating in the Alps of western Switzerland, the main origin for the plains and Saanen Simmental plains. In France, Germany, Austria and other countries also have distribution ADJACENT AREAS. Swiss National Simmental cattle accounted for 50%, Austria 63%, accounting for 39% of the former West Germany, it has been distributed to many countries, as the world's most widely distributed, the largest number of milk, meat, served either variety of One. Alpine glacier melt water, nourishes the Swiss hundred Li Yue pure pasture, grow the world's best known as the fodder, herders and here again the average area of ??ten acres of pasture, feeding only one end Swiss cow breeding Simmental . Physical characteristics of the cattle coat is white or pale yellow white, head, chest, belly, limbs and tail broom mostly white, pink skin limbs, head and long, wide; angle smaller bent outward at the top, tip slightly upward. Moderate long neck; the body is long, cylindrical shape, muscle fullness; forequarters relatively good development hindquarters, chest deep, rump width flat, strong limbs, muscular thighs; good breast development, adult bull weighing almost are 800-- 1200 kg, cows 650--800 kg. Performance Simmental milk, meat performance were good, average milk yield of 4070 kg, milk fat 3.9%. Registration of cattle breeding in Europe, the annual output of 4,540 kg of milk by about 20%. The cattle grow faster, are daily gain up to 1.35-1.45 kg or more, the growth rate and other large meat varieties similar. Carcass meat, less fat and distribution, after the slaughter of bull fattening rate of about 65%. Adult cow dystocia rate, adaptability, resistance to extensive management. In short, both the dairy and beef cattle are typical characteristics of species. Simmental distribution in North and Northeast China forest grassland Horqin grassland, SOUTH south of Nanling Mountains and its mountains, vast grasslands west to Xinjiang and the Tibetan Plateau and other places. Natural changes in the environment around the great, the average maximum temperature in summer and South Africa's 30 ℃, to the northeast of 0 ℃, winter minimum average temperature from 15 ℃ south to the north of -20 ℃, the absolute maximum and minimum temperature is greater changes. The annual average rainfall over the country, ranging from 200mm to 1500mm, the highest elevation of 3800m, the lowest of only a few hundred meters. Thus, soil, crops, vegetation type grassland Grassy disparity difference, Simmental were well adapted to, except Tibet Peng wave farm is located 3800m? More desirable than calves from the introduction stage, the country can be self-propagation breeding stock group. Physical characteristics of meat, fast growth, muscle, less fat: Simmental bull body height up to 150-160 cm, cows up to 135-142 cm. Muscular legs, body drive a cylindrical shape, and less fat. Early growing fast, and meat production high performance, carcass lean more famous. Crossbreeding or modified in local meat product has a typical performance: different varieties of cattle, in physical, bodily form it is different, which makes the growth rate of cattle, meat production and carcass composition of the exhibit quite different. Simmental cattle fattening average daily gain of 1.5 kg, 12-month-old cow up to 500-550 kg. The local breeds of cattle daily gain of only 0.7-1 kg, showing a large gap between. The high nutritional value of meat: beef protein content as high as 8% -9.5%, and digestibility human consumption as high as 90%. Beef fat can provide a lot of heat. Mineral content is more than 2 times the beef pork. So much for a long time beef consumers. Meat high level: Simmental beef grades significantly higher than ordinary beef. Red flesh, texture detail, flexible, moderate marbling, fat color to white or yellow, fat texture with high hardness, surface carcass fat coverage of 100%. Ordinary beef difficult to achieve this standard. Hybrid cattle country since the early 1900s began to introduce Simmental, until 1981 that China has more than 3,000 cattle head purebred, hybrid, more than 50 million head. Improvement over the Simmental cattle, have achieved relatively good results. Shandong Province Bureau of Animal Husbandry and sheep breeding base proved, Simmental cattle generation birth weight was 33 kg, local cattle only 23 kg; average daily gain, hybrid cattle 6 months to 608.09 kg, 519.9 kg for the 18 months to 368.85 g and 343.24 g; 6 months and 18 month weight, hybrid cattle were 144.28 kg and 317.38 kg, while local cattle corresponding to 90.13 kg and 210.75 kg. On milk performance, statistics from the country's commercial cattle base in the county, the 207 days of lactation, Simmental generation of 1818 kg, the second generation of 2121.5 kg Simmental, Simmental three generations of 2230.5 kg. Evaluation and Prospect Simmental early twentieth century to participate in the formation of Sanhe cattle. Since the founding of our country from the fifties there are plans to introduce Simmental, after 40 years of breeding contrast, especially in the dairy, meat production performance and served with performance, find Simmental have good results in a wide range . Simmental milk production potential is large, it has not yet been normal play, if the expansion of purebred breeding, dairy bases for the consolidation of great benefit. In the northeast, northwest and Sichuan Basin fringe areas and some mountainous interior will be developed into a thoroughbred breeding system. In farming areas, for milk and meat, dairy cattle used along with the cultivation of labor has been made in Shanxi, Zhejiang and other provinces apparent effect, generation hybrid in the case of the use of agricultural areas of crop residues, a day to milking *kg. Inadequate forage conditions in areas not too high hybridization Algebra, hybrid system would be worth studying.