The symptoms of gastrointestinal flora imbalance can be improved by medication and preventive treatment. First, probiotics can be used to improve the gastrointestinal environment and correct the imbalance of the flora, commonly used types of drugs such as Bifidobacterium tetraureticum tablets, Bacillus subtilis dibacterium granules, pancreatic enzyme enteric soluble capsules. Secondly, it can be combined with gastrointestinal dynamics, digestive Chinese medicine and other types of drugs, such as Itopride Hydrochloride Tablets, Hovenia Kuanzhong Capsules, Gastrointestinal Oral Liquid, etc. The above types of drugs can enhance the gastrointestinal dynamics and improve the efficiency of the digestive system, and have significant improvement in the treatment of the symptoms caused by the disease, such as bloating and pain in the stomach, loss of appetite and poor bowel movement. In addition, good living and dietary care measures play an important role in accelerating the recovery of patients and shortening the length of treatment, including regular and adequate rest, reasonable dietary structure, and relaxation and optimism.