After eating dinner always want to go to the toilet anus with a feeling of falling may be bacillary dysentery, hemorrhoids, intestinal polyps and other diseases. 1. Bacterial dysentery: Bacterial dysentery may cause abdominal pain, diarrhea and other conditions, as well as loss of appetite and other conditions. At this time, eating too much food will enter the intestines as the stomach digests it, which will cause the anus to drop and always want to go to the toilet. 2. Hemorrhoids: The symptoms of hemorrhoids are mainly due to the varicose veins around the anus, and thrombus or venous blood clusters will also be formed near the anus, which will lead to a noticeable sensation of falling and swelling in the anus. 3. Intestinal polyps: Intestinal polyps are located in the lower part of the body, which can cause a feeling of swelling in the anus. Some of the intestinal polyps can irritate the rectum, which can cause symptoms such as urge to go to the toilet, abdominal discomfort, and swelling in the anus. Eat dinner always want to go to the toilet, anus with a sense of falling may also be seen in the prolapse, proctitis and other diseases, if you have eaten dinner always want to go to the toilet anus with a sense of falling symptoms, persistent and unrelieved, it is recommended that the need for timely medical treatment, to avoid causing delays in the condition.