The treatment of adult diarrhea with yellow water includes dietary adjustments, use of medication according to the cause (such as levofloxacin, montelukast), and so on, and there is no “fastest way to cure”. 1. Dietary management: eat a light diet, avoid stimulating food; pay attention to rest, avoid overwork. 2. Drug treatment: it can be divided into causative treatment and symptomatic treatment. (1) Causal treatment: such as bacterial enteritis can be given berberine hydrochloride, levofloxacin and other treatments. (2) Symptomatic treatment: such as giving rehydration salts to avoid dehydration and electrolyte disorders; such as giving montelukast, difenocoumarol, etc. to stop diarrhea; such as giving bifidobacterium bifidum tetrapartite tablets, bacillus licheniformis capsules, etc. to regulate the intestinal flora imbalance. 3. Further examination: such as stool routine, enteroscopy, etc., to clarify the specific causes of the disease. For diarrhea with yellow water, it is recommended to be handled under the guidance of a doctor, and the medication should be used according to the doctor’s instructions.