Sigmoid proctitis generally refers to sigmoiditis as well as proctitis, of which, sigmoiditis is more difficult to cure, while proctitis can generally be cured. 1. Sigmoiditis: this disease is a kind of intestinal inflammatory disease only limited to the sigmoid colon, the specific cause of the disease is still unclear, clinical considerations and genetic factors, environmental factors, the patient’s body inflammatory factors and anti-inflammatory factors balance is broken and other factors. The disease is difficult to cure, most patients can only be symptomatic treatment through drug therapy, relieve clinical symptoms and can not be cured, and later the disease may develop into a chronic disease, recurrent episodes. 2. Proctitis: this disease is a common clinical intestinal diseases, usually due to bacterial, viral and other pathogens, or patients have a poor diet, do not comply with the doctor’s instructions unauthorized use of antibiotics and other factors. The common clinical types of this disease are ulcerative proctitis and infectious proctitis, most of the patients with mild disease can be cured by themselves through the improvement of living habits, elimination of triggers, etc., and most of the patients with more serious conditions can be cured through medication or surgical treatment. To summarize, sigmoiditis and proctitis are two kinds of diseases, and they do not have the same difficulty to be cured. However, no matter which disease the patient has, it is recommended that the patient actively seek medical treatment to avoid delaying the condition.