Open air conditioning diarrhea is mainly caused by abdominal cold, you should do a good job of warm measures, if the diarrhea symptoms are more serious, you can take montelukast, loperamide and other medication. 1. Do a good job of warm measures: if the air conditioning when the abdominal clothing is too little, will lead to abdominal cold, and thus diarrhea and other symptoms. You should strengthen the warmth measures, you can use local hot water bag hot compresses, you can also wear more clothes. During the period can drink some warm water, can improve abdominal pain and other discomforts. For serious cases, you can drink some saline to replenish fluids. 2. Medication: If the degree of diarrhea is heavy, you should consider taking antidiarrheal drugs, such as montelukast, loperamide, etc., which can improve the symptoms. Drugs should be used under the guidance of a doctor. It is recommended not to be in the air-conditioned room for a long time to avoid the body being cold. Daily exercise should be more exercise, enhance the body’s resistance, is conducive to good health.