There are many causes of internal hemorrhoids, such as increased intra-abdominal pressure, improper diet, and poor living habits. 1. Increased intra-abdominal pressure: enlarged prostate, pregnancy, uterine tumor, intra-abdominal tumor, cirrhosis, portal hypertension, too much time on the toilet, etc., will lead to increased intra-abdominal pressure, and therefore can induce internal hemorrhoids. 2. Improper diet: poor dietary habits, such as spicy food, cold food, will lead to the anus suffered too cold, too hot stimulation, so may cause hemorrhoidal venous plexus congestion, thus inducing internal hemorrhoids. 3. Poor lifestyle habits: prolonged sitting, standing, and failure to develop good defecation habits can also lead to vascular stasis and expansion, resulting in hemorrhoidal venous plexus overfilling, thus inducing internal hemorrhoids. There are many reasons for internal hemorrhoids, it is recommended to go to the hospital in time to improve the examination after the symptoms, and then follow the doctor’s instructions to take standardized treatment, do not ignore the discomfort symptoms, so as not to aggravate the symptoms, affecting the normal life and work.