People with a lot of stomach acid can eat tomatoes, which are rich in vitamin C and soluble fiber. Eating tomatoes not only improves the immune system, but also promotes gastrointestinal motility and avoids food retention in the stomach. Tomatoes themselves are an alkaline food, a small amount of tomatoes can help neutralize stomach acid and reduce the violation of the gastric mucosa caused by stomach acid, but people with a lot of stomach acid should avoid eating tomatoes on an empty stomach, eating tomatoes on an empty stomach can cause some stimulation of the stomach wall. Some of the substances in tomatoes also have a chemical reaction with stomach acid, forming substances that are not conducive to being digested by the body and even affect the function of the stomach and intestines. People who have a lot of stomach acid can eat tomatoes when they are cooked, which is not only nutritious but also produces fewer side effects. When eating tomatoes, you should try to eat already ripe tomatoes, greenish tomatoes contain lobotropin, which is harmful to the human body and can even cause toxic reactions after a large intake.