Backache and irregular stools are related to indigestion, irritable bowel syndrome, colitis, gastrointestinal tumors, etc., and need to be treated according to the cause. 1. Indigestion: Eating iced drinks, spicy food and other stimulation of the stomach and intestines caused by indigestion, can appear back pain. Patients with indigestion should not eat cold and stimulating food, and can drink some easy-to-digest food such as yam porridge and round-grained rice porridge. Oral domperidone, cisapride, mosapride and other drugs to promote gastric power. 2. Irritable Bowel Syndrome (IBS): Psychological reasons and environmental factors can cause abnormal gastrointestinal dynamics and gastrointestinal flora disorders. Patients have recurrent abdominal pain, diarrhea, accompanied by back pain and unformed stools. Probiotics, pepsin, domperidone and other drugs can be used for treatment. 3. Colitis: caused by biological infections such as bacterial viruses or pathogenic worms. Patients may be accompanied by fever, abdominal pain, diarrhea, back pain and other clinical manifestations. Treatment can be with drugs such as mesalazine and salazosulfapyridine. 4. Gastrointestinal tumors: back pain and abnormal unshaped stools can also be seen in gastrointestinal tumors. It is necessary to check gastroscopy, enteroscopy and so on. If there is an abnormal mass, puncture pathology is needed, and immunohistochemistry should be checked after operation. It can also be combined with targeted drug therapy, radiotherapy and so on. If you have back pain and irregular stools, it is recommended that you consult a doctor in time to avoid delaying your condition. The use of medication should be under the guidance of a doctor.