Intestinal parasites can be determined by symptoms, pathogenetic examination and routine stool examination. 1. Through the symptoms of abdominal pain, diarrhea, blood in the stool and other symptoms can be considered to be infected with whipworms; if there is a poor quality of sleep, poor appetite, may be pinworms, children if there is grinding teeth, vomiting, diarrhea, may be infected with roundworms. 2. Pathogenetic examination is generally through the secretion to find worms; or through biopsy puncture to determine whether there are parasites. 3. Routine stool examination can be done to screen the stool for eggs, and colonoscopy can be done to determine the specific conditions in the colorectum. If there are intestinal parasites infection, usually pay attention to personal hygiene and dietary habits, find symptoms in time to consult the doctor, find out the cause of the disease can only be symptomatic medication, to avoid delays in the condition.