Patient: Description (onset time, main symptoms, hospital visited, etc.): My daughter has felt frequent diarrhea since five or six months, and has taken medication that works for a few days, she feels that her intestinal tract is not good and does not absorb anything / What is the cause? The fluids and medication will stop it, and it will come back for a week at most Ask the experts what causes this disease in my daughter? The first people’s hospital in Hefei pediatrics Wang Hongbin: diarrhea has two categories: infectious diarrhea and non-infectious diarrhea. Non-infectious diarrhea often manifests as dyspepsia, with dilute watery to pasty stools, containing milk flaps and foam, etc. There may be a deficiency of disaccharidase or allergic factors. Stool routine and culture, blood picture, immunity test, trace element test, etc. can be checked to treat the cause.