Cold, bacterial infection, food poisoning, etc. can cause diarrhea, which is usually relieved by oral bifidobacteria, amoxicillin, inducing vomiting and gastric lavage. 1. Cold: diarrhea can be caused when the abdomen is not well warmed, and can be treated by hot compresses on the abdomen and oral bifidobacteria. Antibiotics should not be taken at the same time with Bifidobacterium. There is no obvious adverse reaction to Bifidobacterium, allergic to micro-ecological agents should be used with caution, do not use hot water to take this product. 2. Bacterial infection: diarrhea caused by bacterial infection of the gastrointestinal tract generally requires antibiotic treatment, oral amoxicillin treatment. Pregnant women and lactating women should use this drug with caution, overdose of amoxicillin can cause renal insufficiency, oliguria and other adverse reactions. 3. Poisoning: Eating uncooked lentils, puffer fish and other food poisoning, as well as improper use or occupational exposure caused by pesticide poisoning, can cause diarrhea. Food poisoning requires prompt emesis and gastric lavage to remove the poison from the body, while pesticide poisoning requires prompt emesis, gastric lavage, diarrhea, etc., and attention should be paid to timely correction of hypoxia, maintenance of water, electrolyte and acid-base balance, and prevention of dehydration. Many causes of diarrhea, diarrhea is recommended to consult a doctor in a timely manner, under the guidance of the doctor combined with the relevant examination to determine the cause of the disease, to give targeted treatment, do not self-medication, so as not to cause adverse reactions.