Frequent diarrhea with unformed stools may be caused by irrational diet, irritable bowel syndrome, intestinal flora imbalance, enteritis, etc. According to the causes, lifestyle modification, norfloxacin, bifidobacteria, montelukast and other medications may be given to treat the symptoms. 1. Irrational diet: caused by eating too much spicy and cold food, adjust the diet structure, eat easily digestible and light food, and give montelukast to relieve the symptoms of diarrhea. 2. Irritable Bowel Syndrome (IBS): It can be relieved by releasing pressure, relieving emotions and keeping a happy mood. 3. Intestinal flora imbalance: excessive reproduction of harmful bacteria affects the intestinal absorption function leading to diarrhea, probiotics can be given, such as Saccharomyces boulardii, bifidobacteria combined with montelukast for treatment. 4. Enteritis: diarrhea caused by bacterial infection can be treated with norfloxacin, ciprofloxacin anti-infection, combined with montelukast and bifidobacteria. Frequent diarrhea, stools are not shaped, it is recommended to consult a doctor in time to identify the cause of the disease and follow the doctor’s instructions for medication.