Diarrhea in babies is often caused by cold or infection with rotavirus or other intestinal viruses and bacteria. In addition, children with underdeveloped digestive system and unreasonable feeding may also cause diarrhea. When the symptoms of dilute watery stool appear, it is recommended to go to the hospital promptly for appropriate examination and treatment. Common treatment measures include: 1. dietary care: if breastfeeding, can continue to maintain, not suddenly weaned; non-breastfeeding, should be semi-liquid, easy to digest diet, reduce the consumption of fat and protein-rich food, so as not to aggravate the symptoms. If accompanied by severe vomiting can fasting for a period of time, but the baby dilute water stool easy to produce varying degrees of dehydration, pay attention not to prohibit water, if necessary, rehydration treatment is required to avoid serious dehydration; 2, drug therapy: the application of drugs need to be decided according to the specific condition of the child, it is recommended to consult a doctor, clinical use of montelukast and other anti-diarrheal, as well as probiotics such as bifidobacterium, lactobacillus, etc., regulate intestinal micro Probiotics such as Bifidobacterium and Lactobacillus are used to regulate intestinal micro-ecology and promote intestinal function recovery. If there is bacterial or viral infection, cephalosporin, penicillin and other antibiotics can be applied as appropriate according to the results of stool culture and drug sensitivity test results; 3, Chinese medicine treatment: standardized pediatric massage treatment can be considered, taking points to follow the meridian points, which can effectively alleviate the symptoms of dilute watery stool.