Gastric polyp three days after surgery is still very painful may be gastric mucosa damage or wound is not recovered, as well as local inflammation and infection and other reasons. 1. Gastric mucosal injury: after the gastric polyp surgery. Will lead to some damage to the gastric mucosa, need a period of time to recover, during the recovery period there may be stomach pain. 2. 3 days after the operation, due to the reason that the wound in the stomach after the operation has not fully recovered, in addition does not rule out the phenomenon of pain caused by excessive secretion of gastric acid. 3. Local inflammation and infection: if you don’t pay attention to the wound care after gastric polyp surgery, and the wound disinfection is not complete, it may cause post-surgery stomach pain. Gastric polyps are still painful after surgery, it is recommended to go to the hospital to do a checkup, to clarify the condition and then targeted treatment.