Abstract:This study mainly takes the new breed of mutton sheep in Zhonghuan as an example. Through understanding, knowing and personally participating in the breeding process and application research introduction, mastering its breeding methods and related experimental operations, so as to improve one's professional level and working ability in mutton sheep breeding. The results show that the new breed of Zhonghuan mutton sheep grows faster than ordinary mutton sheep, has a high reproductive level, high feed conversion rate, and good meat quality, which has good application and promotion value. At present, the core group of new breeds of mutton sheep in Zhonghuan has reached 17,000, and 12,000 F1 generations have been cultivated. It can be seen that the breeding effect of this variety is remarkable. Improve breeding efficiency by speeding up the breeding process. Cultivate and multiply more highquality mutton sheep germplasm resources, and apply them to the local and surrounding cities and counties, so that farmers and professional cooperatives can achieve a stable increase in income through the development of the mutton sheep industry, and achieve the goal of common prosperity.