Diarrhea and intestinal tinnitus after stopping Bifidobacterium quadridentum may be caused by gastrointestinal dysfunction, intestinal flora imbalance, gastroenteritis, improper diet and other factors. Can be adjusted through the life diet, drug treatment (such as Bifidobacterium bifidum quadruple live bacterial tablets, pivoxyl bromide), etc., the specific need to combine with the actual situation. 1. Dietary reasons and treatment: such as cold, eating irritating food can lead to gastrointestinal dysfunction, diarrhea, intestinal symptoms. Need to regular light diet, avoid spicy cold, irritating food. 2. Drug treatment: if the bacterial dysbiosis can be given Bifidobacterium bifidum quadruple live bacterial tablets, Bacillus licheniformis capsules and other drugs; such as enteritis need to be given Norfloxacin, levofloxacin and other drugs; such as irritable bowel syndrome need to be given pivotal ammonium bromide, otidepsium bromide and other drugs. For the treatment of diarrhea and intestinal tinnitus after discontinuation of the quadruple drugs, it is recommended to consult a doctor to clarify the cause and then give corresponding treatment.