Simple low back pain usually does not cause stomach pain, but if the low back pain is caused by colitis, kidney stones, ureteral stones and other diseases, the two symptoms may appear at the same time. 1. Simple back pain: It is considered to be caused by lumbar disc herniation, lumbar muscle strain, sciatica and other diseases, and the back pain caused by these diseases usually does not cause stomach pain. 2. Colitis: mainly due to the aggravation of colonic inflammatory reaction, resulting in mucosal congestion, edema, and in severe cases, intestinal spasm will occur, the pain level will be aggravated, in the back pain at the same time may cause stomach pain. 3. Kidney stones: because the stones in the gradual increase of the situation may cause radiating pain, will be along the nerves to the abdomen, serious easy to cause blockage, causing fluid retention, the pain will be significantly worse, back pain will cause stomach pain. If you have frequent back pain, it is recommended to consult a doctor for diagnosis and analysis through examination. If back pain is accompanied by stomach pain, abdominal ultrasound and other examinations should be carried out to clarify the cause of the disease and then carry out targeted treatment.