Patients with stomach pain that is caused by a bacterial infectious disease of the stomach can take Amoxicillin, but they need to follow their doctor’s instructions for medication. There are many causes of stomach pain, such as improper diet, gastritis, gastric ulcer, Helicobacter pylori infection. If caused by gastric infectious diseases, usually patients can take amoxicillin to achieve the purpose of controlling inflammation or combined with other drugs to treat gastric diseases, to promote the body to restore health. If it is caused by non-inflammatory diseases, amoxicillin can not achieve effective treatment. Amoxicillin is contraindicated if the organism is allergic to penicillin, positive penicillin skin test. Amoxicillin is used with caution in cases of asthma, severe impairment of liver and kidney function to prevent accidents. It is recommended that patients apply amoxicillin under the guidance of a doctor, not to use the drug or increase or decrease the dosage at will. During the application of amoxicillin, pay attention to regular medical review of liver and kidney function, stomach pain people need to pay attention to dietary care, avoid spicy and stimulating food.