Diarrhea can be caused by improper diet, food allergy, acute gastroenteritis and other diseases. Different causes, different treatments, including general treatment, such as adjusting living and eating habits, if necessary, the application of drug therapy. ⒈ adjust living and eating habits: five-year-old girl diarrhea may be due to a one-time eating too much food, or sudden changes in the climate leading to abdominal cold, etc., at this time should reduce the amount of food, such as diarrhea recovery, and then gradually increase the diet, to maintain the physiological needs. Usually pay attention to keep warm, avoid the abdomen cold. Peculiar medication: If a five-year-old girl eats a certain kind of food leading to food allergy and diarrhea, you can use antihistamines to alleviate the symptoms of allergy, such as cetirizine hydrochloride, chlorotetracycline and so on. Acute gastroenteritis can also lead to five-year-old girl diarrhea, you can follow the doctor’s advice to choose probiotics, montelukast and other drugs for treatment. Five-year-old girl diarrhea if the symptoms are not relieved by life and dietary habits, should be timely consultation, clear cause, under the guidance of the doctor for treatment.