Bloody stools with snotty mucus only may be caused by ulcerative colitis, bacillary dysentery, colon cancer and other diseases, which can be treated by medication such as mesalazine, prednisone, ciprofloxacin and other methods of treatment, such as surgical treatment. 1. Ulcerative colitis: generally caused by immune regulatory dysfunction, there may be abdominal pain, abdominal distension and other symptoms, there may also be only pulling snot mucus blood stool. Prednisone, mesalazine, azathioprine and other drugs can be used under the guidance of a doctor for treatment, drug allergy is prohibited, if the symptoms are more serious can be taken to the total colorectal resection plus ileal storage pouch anal anastomosis treatment. 2. Bacterial dysentery: generally due to Shigella infection, headache, fatigue and other symptoms may occur, but also may cause only pull snot mucus blood stool, can be used under the guidance of the doctor ciprofloxacin, ceftriaxone and other drugs for treatment, drug allergy patients and pregnant women are prohibited, generally do not need surgical treatment. 3. Colon cancer: colon cancer is a common malignant disease, mainly manifested as change of bowel habit, abnormal fecal character, abdominal pain and other symptoms, and there may be only bloody nasal mucus, which can be treated by cetuximab, bevacizumab and other medicines under the guidance of doctor, and serious symptoms can be treated by transverse colonic resection, palliative surgery and other surgical methods. It is recommended that patients with bloody stools with nasal mucus only go to the hospital for timely diagnosis and treatment.