A girl’s sudden stomach pain and loose stools are considered to be caused by dietary factors, and may also be caused by acute gastroenteritis, irritable bowel syndrome and other disease factors. Dietary factors caused by the need to adjust dietary habits, disease factors caused by the need for targeted treatment under the guidance of the doctor, to the main drug therapy, such as ciprofloxacin, scopolamine, loperamide, etc.. 1. Dietary factors: eating unclean food or cold, spicy and stimulating food may cause sudden stomach pain, loose stools, such cases should avoid eating cold, spicy and stimulating food, and pay attention to abdominal warmth, if necessary, you can take antidiarrheal drugs treatment. 2. Disease factors: acute gastroenteritis with bacterial infection can be used ciprofloxacin, norfloxacin and other drugs, with severe abdominal pain can be used pivoxyl bromide and other drugs antispasmodic and analgesic treatment; young and middle-aged people, the recent stress, emotional stress, we should consider the possibility of irritable bowel syndrome, in the absence of organic disease, try to adjust the mood, can be used to regulate the intestinal flora, symptomatic antidiarrheal and other therapies in accordance with the doctor’s instructions! The girls who have sudden stomach pain and loose stools are recommended to go to the hospital if necessary.