The possible causes of stomach pain and throat swelling are gastrointestinal colds, reflux pharyngitis, gastritis, peptic ulcers, etc., and should seek medical attention to clarify the cause of the disease, the solution is to adjust the diet, medication, etc., and the following medications need to be taken under the guidance of a doctor. 1. Gastrointestinal colds: Gastrointestinal colds are mainly caused by viral infections of the upper respiratory tract, in addition to causing symptoms of upper respiratory tract infections such as sore throat, but also cause gastrointestinal dysfunction, stomach pain, diarrhea and other symptoms. Ribavirin and other antiviral drugs, Saccharomyces boulardii and other drugs can be used for treatment if necessary. 2. Reflux pharyngolaryngitis: gastric contents reflux to the throat, stimulation of the mucous membrane triggered by a series of inflammatory manifestations, patients should pay attention to improve poor dietary habits, such as reducing the intake of high-sugar, high-fat, spicy and stimulating foods. Follow the doctor’s instructions to use omeprazole and other proton pump inhibitors, domperidone and other prokinetic drugs and other drugs for treatment. 3. Gastritis, peptic ulcer: the presence of gastritis, peptic ulcer when gastric acid secretion increases, reflux caused by the above symptoms may also occur, the patient can choose to use teprenone and other gastric mucous membrane protective agent, pantoprazole and other acid inhibitors and other drugs for treatment. In conclusion, if the symptoms persist and cannot be relieved, the patient should consult a doctor in time to avoid serious consequences.