Prevention and control: do a good job of introduction and inspection, strengthen feeding management, ensure a balanced diet nutrition; appropriate poultry density to prevent overcrowding; keep poultry houses clean, well ventilated, fresh air; keep poultry houses moderately dry, prevent damp and cold; and regularly remove parasites. Vaccination: live attenuated vaccine: At present, the live vaccine commonly used internationally and domestically is strain F vaccine. Inactivated vaccines: basically oil adjuvant inactivated vaccines, the effect is good, can prevent the occurrence of this disease and reduce the infection of other diseases. Streptomyces, oxytetracycline, erythromycin, tylosin, spectinomycin, lincomycin, norfloxacin, ciprofloxacin and enrofloxacin all have certain curative effects on this disease. The dose of streptomycin was 200,000 units per muscle in adult chickens and 50,000 to 80,000 units in 5-6 week-old chickens. Oxytetracycline and tetracycline are generally injected 100,000 units per kilogram of body weight by intramuscular injection; in large groups, Oxytetracycline can be added to the feed by 0.4% (2-4 grams per kilogram of feed) for one week; Tylosin 500 mg per liter of water for five days; Enrofloxacin 50 mg per liter of water for three to five days. One set cold galvanized layer chicken cage will change your life.