Anal stenosis refers to the narrowing of the anus. To determine whether you have anal stenosis, you can judge by some typical symptoms of anal stenosis, such as change of stool shape, defecation difficulties, bleeding, pain, etc., and anal fingerprinting can also be carried out. However, the accuracy of one’s own judgment is not high, and it is best to go to the hospital to be examined by the professional doctor, and anoscopy can be carried out if necessary. 1. Change of stool shape: when anal stenosis occurs and stool passes through the anus, it will be squeezed, which will cause the stool to become long and thin, in the form of noodles and flat pieces. 2. Difficulty in defecation: Due to anal stenosis, when defecating, the stool cannot pass through the anus smoothly, and there will be difficulty in defecation. 3. Bleeding: During defecation, if too much force is exerted, the stool passes through the anus, causing the skin tissue around the anus to crack and bleed. 4. Pain: Due to the difficulty of defecation and cracking of skin tissue, it will cause a more obvious dull pain or stinging sensation, and in severe cases, severe pain will occur after defecation. 5. Anal finger test: you can use your own finger into the anus, if the index finger can not pass through the anus smoothly, there may be anal stenosis phenomenon. Need to pay attention to their own check anal stenosis accuracy is not high, the best by the doctor to carry out standardized examination, if necessary, through the anoscopy and other medical means of examination to clarify. If you suspect that you have anal stenosis, it is recommended that you go to the anorectal department of the hospital in a timely manner to consult the relevant departments, and the final results of the doctor’s examination results shall prevail.