Hidden pain under the ribs on the left side of the raphe may be caused by pancreatitis, gastritis, intercostal neuralgia and other diseases. 1. Pancreatitis: biliary tract diseases or long-term alcohol consumption will lead to the obstruction of pancreatic fluid outflow, digestive enzymes are activated in the pancreas to cause inflammatory damage to the pancreatic cells, pancreatitis will occur, and the pancreas is located in the left side of the ribcage in the lower region, so there will be the symptom of the left side of the raphe under the ribcage. 2. gastritis: drugs, alcohol and trauma will stimulate the gastric mucosa, resulting in inflammatory reaction of the gastric mucosa, which will lead to colic near the sternum, radiating to the left side of the sword under the ribs and other parts. 3. Intercostal neuralgia: trauma, spinal cord tumor of thoracic vertebral segment will compress the intercostal nerves, resulting in neuralgia, which can appear in the left subcostal area of the raphe. The left subcostal pain may also be seen in gastric ulcer, rib fracture, variant angina and other diseases, if the symptoms of the left subcostal pain of the sword, persistent and unrelieved, you need to consult a doctor for treatment in a timely manner.