The use of morphine is irritating to the stomach, out of the adverse effects of morphine, you can add drugs to protect the gastric mucosa or reduce the use of morphine and so on. The stimulation of the gastrointestinal tract by morphine leads to nausea, vomiting and other manifestations, and some patients may experience constipation and dry mouth. Common adverse effects of morphine include nausea, vomiting, respiratory depression, and low urine output. Morphine is contraindicated in patients with biliary tract disease, allergy to morphine or poor respiratory function. It is generally recommended to use morphine along with acid suppressants and stomach protectors such as omeprazole and teprenone capsules. Avoid taking drugs on an empty stomach can be taken after meals to reduce the direct stimulation of the drug on the gastric mucosa. Pay attention to light diet, do not eat spicy stimulating food, increase the sensitivity of the gastric mucosa. It is recommended to consult a professional doctor, according to their own conditions need to reduce the use of morphine or change other pain medication. The use of the above drugs should be carried out under the guidance of a doctor, to avoid unauthorized use of drugs, resulting in physical harm.