The left side of the belly button hurts when the stomach is cold, considering that the abdomen is caused by cold, it may also be caused by chronic enteritis, gastrointestinal dysfunction and other diseases. The former caused by the need to do a good job of warm measures, the latter caused by the need for targeted treatment under the guidance of the doctor, such as general treatment, medication and so on. 1. Cold abdomen: Cold abdomen may cause gastrointestinal spasm, resulting in abdominal pain, can also cause diarrhea symptoms. In this case, we should take measures to keep warm to avoid the abdomen getting cold. 2. Chronic enteritis: it can be manifested as abdominal pain, diarrhea and other symptoms, can follow the doctor’s instructions to use bifidobacteria, bacillus licheniformis and other probiotics treatment, daily life should avoid overeating and greasy food, diarrhea is serious need to replenish water and give montelukast to stop diarrhea. 3. Gastrointestinal dysfunction: there may be abdominal pain, bloating, constipation or diarrhea. Daily life should maintain a good mood, avoid long-term in a state of stress, the pain is serious when you can use atropine, scopolamine and other drugs to relieve pain. Appearance of the left side of the navel pain stomach cold on the stool, if the symptoms are frequent or persistent, it is recommended to go to the hospital for consultation Drugs should all be used in accordance with medical advice.