Patients with vomiting and diarrhea should not eat apples. Vomiting and diarrhea are common in acute gastroenteritis, where the gastrointestinal mucosa is congested, edematous, and even erosion and bleeding, and the fruit eaten may be cold food, which can increase the gastrointestinal burden and stimulate the gastrointestinal mucosa, causing the diarrhea to worsen. Therefore, it is recommended that patients with vomiting and diarrhea eat light, soft, easily digestible liquid or semi-liquid food, avoid raw, cold, hard, spicy, greasy and other irritating food intake, eat less and more meals, do not overeat, and strengthen exercise, ensure sufficient sleep, maintain a good mood to promote recovery, if necessary, you can add anti-diarrheal drugs, or with acupuncture point closure, moxibustion, etc. to relieve nausea, diarrhea and other symptoms If necessary, you can add anti-diarrheal medication or cooperate with acupuncture point closure and moxibustion to relieve nausea and diarrhea.