Abdominal tugging pain after eating mackerel two months after stomach cancer surgery may be caused by indigestion, wound site infection and other reasons, so it is recommended to go to hospital for examination and treatment as soon as possible. 1. Indigestion: After stomach cancer surgery, the food eaten by patients will directly enter into intestines for digestion and absorption, if the food eaten by patients is more stimulating and greasy, it will increase the burden of digestive system and lead to indigestion, which will result in abdominal pain. It is recommended that patients should eat small meals and try to eat some easy-to-digest food. 2. Wound site infection: after stomach cancer surgery, immunity of the patient’s body will be reduced, which will cause bacteria and other pathogenic microorganisms to infect the wound site easily, resulting in congestion and edema of the wound site, which will make the patient suffer from pain and other uncomfortable symptoms. It is recommended to go to the hospital in time, and actively cooperate with the doctor to carry out the corresponding treatment. 3. Other causes: such as fish splinters swallowed and other cases, if the continuous abdominal pulling pain, it is recommended to consult a doctor in time to clarify the cause of the disease.