It is very cold in the winter in northern China.It is the most difficult period for raising sheep.Sheep often infected diseases as a result of nutritional reduction and poor quality of environment.The phenomenon of animal death may happen for "Tired Spring".Although it is warmer in spring,but the big difference between day and night temperature,dry climate,and strong wind are favor to the spread of pathogens,so spring is also the season which sheep diseases occur.Therefore,how to improve the security of wintering flock crossing the spring and reduce the incidence of sheep mortality is an important part of sheep production in the north region.Techniques to prevent and cure common diseases of sheep in winter and spring in northern China were discussed in the paper.