Stomach pain and chills are related to stomach cramps, stomach ulcers, gastrointestinal colds, stomach cancer and other factors. There are more reasons for the onset of stomach cramps, such as food stimulation, bad emotions, etc. When stomach cramps are onset, patients will not only have paroxysmal severe pain in the stomach, but some of them will also be accompanied by the feeling of cold pain in the stomach. Gastric ulcer is a common stomach disease, which is directly related to the damage of the gastric mucosa. When the ulcer surface is stimulated by excessive secretion of gastric acid, patients will not only experience stomach pain, but some patients will also have chills due to spasm and contraction of the stomach wall. Gastrointestinal flu is caused by viruses invading the gastrointestinal system. During the illness, besides the symptoms of digestive system, the patient will also have the symptoms of flu, so he/she will have stomach pain and chills. Stomach cancer is a malignant disease, which will affect the function of stomach and also stimulate the nerves in the stomach, so many stomach cancer patients will have stomach pain and chills during the disease.