The common causes of watery stools are improper diet, bacterial infection, acute gastroenteritis and so on. If it is a mild symptom caused by improper diet you can take no medication, if it is caused by disease you can take drugs such as cephalosporin, amoxicillin, lactobacillus tablets. 1. Watery stools may occur after eating cold foods such as ice-cream, or after eating eggs, seafood and other foods that cause allergies. Symptoms are mild, you can not need to take medication, relieve a few days can be self-healing, daily life, pay attention to diet light, avoid cold and spicy food. If it is more serious, you can use montelukast to stop diarrhea, reduce water loss and prevent dehydration. 2. After intestinal infection, intestinal dysfunction, nutrients and water can not be normally absorbed and excreted, there will be watery stools, you can take cephalosporin, amoxicillin and other drugs for anti-infection treatment. Imbalance of intestinal flora, harmful bacteria breeding may also appear watery stool, you can take probiotics, such as lactobacillus tablets, bifidobacteria, etc. to improve the balance of intestinal flora. In addition, irritable bowel syndrome, taking medication, etc. can also appear watery stool, if you exclude dietary factors, timely medical treatment, symptomatic treatment, so as to avoid aggravation of the condition.