Diarrhea twice a day can be considered as a normal phenomenon, usually caused by the consumption of spicy and stimulating, cold and unclean food, and also intestinal diseases such as enteritis, intestinal tuberculosis and intestinal polyps can be considered. It is recommended to observe first, if the diarrhea and abdominal pain are no longer present the next day, it mostly indicates that it is diet related, if the diarrhea remains the next day, it is recommended to visit a hospital. Common causes and treatments are as follows: 1. Dietary factors: The presence of unclean diet or the intake of too much cold, spicy, greasy and other irritating things such as sorbet and hotpot can cause irritation to the gastrointestinal mucosa, leading to the symptoms of diarrhea. It is recommended that patients promptly adjust their daily dietary structure, avoid intake of such irritating foods, mainly light foods, and eat more fresh vegetables and fruits; 2. Intestinal diseases: enteritis, intestinal tuberculosis, intestinal polyps may lead to diarrhea symptoms. Patients are recommended to seek medical attention in a timely manner to improve blood and stool routine examination, to clarify the cause and treat the cause. If it is intestinal inflammation, it can be treated with oral norfloxacin capsule, montelukast and loperamide hydrochloride capsule as prescribed by the doctor. If it is intestinal tuberculosis, it can be treated with oral anti-tuberculosis drugs such as isonicotinic acid hydrazide and rifampin as prescribed by the doctor. If polyps are detected, it may be related to the inflammatory stimulation caused by polyps, which can be removed by endoscopic treatment surgery. Note: Patients need to pay attention to their diet, do not eat stimulating food, and pay attention to the warmth of the abdomen.