Chest and abdominal injuries in stomach cancer patients have an impact on the stomach condition, which may cause severe bleeding in the stomach or damage to the digestive ability, etc., but it will not affect the development of cancer cells. Since stomach cancer patients themselves have more fragile stomach tissues, they may also have different kinds of diseases such as localized thickening and ulcers. Some of them may also have undergone total or partial resection of stomach tissues, so in case of chest and abdominal injuries, it will directly irritate the stomach tissues and its surrounding blood vessels and cause bleeding, digestive impairment and other symptoms. Thoracic and abdominal injuries have more obvious damage to tissues and blood vessels, but have no direct effect on the proliferation of cancer cells and the condition of gastric cancer itself. Therefore, even if trauma occurs, the development process of gastric cancer itself will still continue, so it is necessary to take into account the previous cancer treatment program and carry out combined or protective treatment in the course of treatment. After a stomach cancer patient suffers from chest and abdominal trauma, firstly, first aid should be given to treat the trauma, and secondly, appropriate anti-cancer treatment programs should be chosen.