Compound preparation for preventing and treating enteritis and diarrhea of poultry and preparation method of compound preparation

The invention relates to a compound preparation for preventing and treating enteritis and diarrhea of poultry. The feed additive is mainly prepared from the following raw materials in parts by weight: 10-12 parts of herba schizonepetae, 10-12 parts of radix isatidis, 8-10 parts of herba andrographitis, 10-12 parts of pericarpium zanthoxyli, 10-15 parts of herba artemisiae annuae, 8-10 parts of humifuse euphorbia herb, 10-12 parts of rhizoma atractylodis, 3-5 parts of xylooligosaccharide, 1-3 parts of allicin, 1-3 parts of capsaicin, 5-7 parts of vitamin C, 0.1-0.3 part of vitamin A, 4-5 parts of bacillus licheniformis, 4-5 parts of clostridium butyricum and 10-12 parts of brown sugar. The compound preparation can effectively improve the body immune function, prevent and treat diarrhea caused by poultry enteritis and improve intestinal health; meanwhile, the preparation can be easily absorbed after entering a body, is convenient for clinical administration, is suitable for group administration, and saves manpo