Flavopiridol is not a treatment for gastric diseases, but is often used to treat gastrointestinal diseases such as gastroenteritis and bacillary dysentery. As an antibacterial drug, safranin has more obvious antibacterial effect on hemolytic streptococcus, aureus and shigella dysentery bacteria, etc., and has been widely used in clinic for the treatment of gastroenteritis, bacillary dysentery and other diseases. The adverse reactions of the drug mainly include malignancy, vomiting and skin rash, which usually disappear after stopping the drug. The use of safranin is prohibited in children with hereditary 6-phosphoglucose dehydrogenase deficiency, which may cause hemolytic jaundice. The use of medication needs to be under the guidance of a doctor and should not be used without authorization.