Usually, stomach pain when you have a cold is due to the following reasons: 1. When you have a cold, you have a bacterial cold, a viral cold, and other atypical pathogens, for example, when you have a bacterial cold and a viral cold, the bacteriocins in the blood will spread in the body with the blood flow, and when it reaches the abdominal cavity, you will have symptoms of gastrointestinal pain. 2. When you have a cold, your body will react with fever, and when you have a fever, your body will react with inflammatory factors such as interleukin 2 and interleukin 6 due to the release of pyrogen. For example, interleukin 2, interleukin 6, etc., will produce bradykinin and other substances, and bradykinin and prostacyclin and other substances, will lead to painful inflammatory factors around the body reaction, inflammatory factors such as in the gastrointestinal tract reaction, there will be clinical symptoms and performance of stomach pain. 3, some gastrointestinal colds, there will be direct damage to the corresponding target organs, such as acute gastroenteritis when there will be typical stomach pain.