I. Avoiding raising sheep is not difficult. Many sheep raising households plan to save trouble, throwing the whole grass or straw directly into the sheep pen, even without adding concentrate feed, minerals, and additives. Second, bogey does not engage in epidemic prevention and deworming Most farmers believe that sheep are not easy to get sick, do not need to vaccination, think that insect repellent is an overkill, is to spend money. Little do they know that infectious diseases and parasitic diseases have the greatest damage to the sheep industry. Third, bogey inbreeding In sheep breeding problems, many people figure is convenient, do not choose to breed rams, casually breeding, resulting in inbreeding, species degradation, resulting in reduced performance. Fourth, bogey male and female sheep in the same group feeding rams reach sexual maturity, must be reared with the ewes. Fifth, avoid lambs weaned prematurely Lamb weaning prematurely, affecting growth and development, and even death. VI. Avoid food supplements and sudden replacement of forage Some farmers in order to allow dairy goats to produce more milk or to allow sheep to grow fast, blindly feed the sheep with concentrated feed, resulting in rumen expansion; and some sheep farmers suddenly change feed. , causing sheep gastrointestinal discomfort. Seventh, avoids the shed to disinfect the sheepfold wet, the ventilation is not good, if does not regularly sterilize, the sheep is easy to suffer from the diarrhea, the hemorrhoids, the foot rot disease, the infectious disease is also very difficult to control.