Blood in the stool: It can occur before or after a bowel movement or simply with blood in the stool or mixed with stool. Bleeding, dripping blood, jet bleeding or blood or pus in stool with fresh or dark red blood. Commonly seen in internal hemorrhoid bleeding, anal fissure, rectal polyps, proctitis, anorectal cancer, etc. Anal mass prolapse: It refers to the protrusion or redundancy in the rectum or anal canal that prolapses through the anus, or in mild cases, it only prolapses outside the anus during defecation. In heavy cases, it can be prolapsed when the abdominal pressure increases, such as coughing, squatting, and lifting with force. It is commonly found in internal hemorrhoids, papilloma, rectal polyps, rectal prolapse, etc. Anorectal pain: Because of the rich nerves and acute sensation in the anus, pain or severe pain easily occurs after stimulation. If it is manifested as stabbing pain, swelling pain, burning pain, cramping pain, etc., it can occur during, after or at other times during the stool. Those occurring below the dentate line include anal sinusitis, anal papillitis, anal fissure, external hemorrhoids, perianal inflammation, perianal abscess, anal fistula, etc. All these diseases can cause different degrees of anal pain. Anal discharge: It can either overflow from the fistula, be discharged from the anus or overflow from the perianal skin. It is seen in anal fistula, abscess after ulceration, inflammation of anal fissure, proctitis, etc. Anorectal swelling: It is a symptom caused by local irritation of rectal lesions. The main manifestation is that in mild cases, only local distension and fullness is seen; in severe cases, it is very painful because of the urgency, frequent toileting, and heavy fall after defecation. Anal itching: mostly due to itching discomfort caused by stimulation of the anus and surrounding skin. It is common in anorectal inflammatory lesions, skin diseases and pinworm disease, etc. Diarrhea: Patients often have more frequent stools, thin or watery stools, or pus and blood stools. Constipation: Patients have significantly fewer bowel movements, less than 3 bowel movements per week, or each bowel movement is greater than 30 minutes can be called constipation.