The anus always feels like having a bowel movement, but there is no bowel movement in the toilet, considering the following situations:1. May be suffering from enteritis, which is caused by recent unhygienic diet, hand bacteria or contact with enteritis germs, etc. In addition to the above mentioned symptoms, diarrhea, tummy pain, and anxiousness, etc. may also occur.2. Colorectal cancer, which will always have the feeling of having a bowel movement, and tummy feels swollen and painful, and will be accompanied by tummy pain and diarrhea.3. May be caused by constipation, which is mostly caused by recent unbalanced diet and life. It may be caused by constipation, which is mostly due to unbalanced diet and irregular life of patients.4. It may be caused by gastrointestinal dysfunction, the main symptoms of which are frequent urge to have bowel movement, feeling of anus falling down when having bowel movement, etc. Pelvic inflammation and hemorrhoids cannot be ruled out, so it is recommended to consult doctor in time.