Farms (households) shall, in accordance with the principle of poultry breeding, formulate a feasible epidemic prevention system, strictly implement the relevant laws and regulations on veterinary health and epidemic prevention, regularly carry out disinfection work in the field, and all personnel and vehicles entering and leaving the poultry house shall be changed and disinfected; Chickens and ducks cannot be raised at the same time in a farm, and only one kind of poultry can be raised; In addition to injecting avian influenza vaccine according to the immunization procedure, the antibody level should be detected. When the antibody level is low, the vaccine should be injected again. Do not get poultry products from epidemic areas; Attention should be paid to the surrounding environmental protection, and feeding management should be strengthened to ensure the poultry's body condition in the best condition and improve the poultry's ability to resist diseases.