The fine shape of stool 18 days after mixed hemorrhoid surgery may be related to post hemorrhoidal complications of anal stenosis as well as incomplete wound healing and edema. Traditional hemorrhoidal surgery, through the external peeling and internal ligation of the surgical method resulting in too little preservation of the anal canal skin bridge tissue, as well as injection of sclerosing agent, infection necrosis, etc. can cause anal stenosis after hemorrhoidal surgery. Typical symptoms of anal stenosis are thinning of fecal strips, difficulty in defecation, or the patient’s self-consciousness of a smaller anus. Mixed hemorrhoid surgery may be due to the incision is not fully recovered, in the edema period can lead to narrowing of the anal canal, so that the discharge of stool thin. At this time, no special treatment is needed, and the symptoms will gradually improve after a period of recovery. If there is no recovery for a long time, you should seek medical examination in time. If you find that the mixed hemorrhoid 18 days after the operation of fine stool, you should consult a doctor in time, as soon as possible to follow the doctor’s advice to give treatment, do not take the liberty to deal with, so as to avoid delays in the condition. Pay attention to rest on weekdays, quit smoking and drinking, and maintain perianal hygiene.