Dyspareunia 4 months colonoscopy and stool test no problem may be irritable bowel syndrome or dietary habits related. 1. Irritable bowel syndrome: a common functional bowel disease characterized by abdominal pain or abdominal discomfort with changes in bowel habits without organic lesions. The onset of the disease is insidious, symptoms recurring, or chronic delay, the course of the disease can be up to several years, but the general health status is not affected. Psychological, dietary and other factors often induce the recurrence or aggravation of symptoms. Clinical manifestations are abdominal pain or abdominal discomfort, changes in bowel habits and stool shape. 2. Lifestyle and dietary habits: colonoscopy can exclude organic diseases, consider whether it is related to poor dietary habits or dietary hygiene, improve the light diet, three meals on time, do not eat spicy food. Consider whether the intestinal flora imbalance, resulting in unformed stool or diarrhea, available intestinal microecological agents, such as bifidobacteria, lactobacillus, etc., can correct the intestinal flora imbalance. If the symptoms can not be relieved for a long time, it is recommended to go to the hospital in time to identify the cause of the disease and standardize the treatment, and the drugs should be used in accordance with the doctor’s instructions.