Sigmoid colonitis can take bifidobacterium tetraprolium tablets, but this product is not the main treatment drug for sigmoid colonitis. Bifidobacterium tetragonum tablets can supplement the normal intestinal flora, inhibit intestinal pathogenic bacteria, adjust the balance of intestinal flora and so on. It can be used to treat diarrhea, functional dyspepsia, constipation caused by intestinal flora imbalance. The adverse reactions and contraindications of this product are not clear. Sigmoid colitis if secondary to intestinal flora disorders caused by diarrhea, can take this product to relieve symptoms. The etiology of sigmoiditis is mainly related to genetic factors, environmental factors, intestinal microecology, immune imbalance, etc. The treatment is mainly rehydration and correction of electrolyte disorders, the use of aminosalicylic acid preparation such as mesalazine, or glucocorticosteroids, such as prednisone anti-inflammatory, immunosuppressants, such as cyclosporine and other treatments. Therefore, Bifidobacterium tetragonum tablets are not the main treatment for sigmoid colonitis. The existence of sigmoid colonitis should be standardized treatment under the guidance of a doctor, reasonable use of medication, so as to avoid delaying the condition.