When left subcostal pain occurs, it may be due to costochondritis, chronic gastritis, coronary heart disease and other diseases, can be under the guidance of the doctor according to the actual condition, choose the compound chondroitin sulfate tablets, gastric Fuchun tablets, atorvastatin calcium tablets and other drugs for treatment. 1. costochondritis: it may be due to infection, endocrine abnormalities and other factors resulting in non-specific inflammatory lesions, due to the stimulation of inflammation, may lead to the phenomenon of patients with subcostal pain, the patient may be under the guidance of the doctor to use compound chondroitin sulfate tablets, ibuprofen extended-release capsules and other medications to carry out treatment. 2. Chronic gastritis: this disease is usually due to Helicobacter pylori infection and other factors leading to chronic inflammatory lesions of the gastric mucosa, chronic gastritis will lead to the phenomenon of abdominal pain, when pulled to the local tissues, there will be the phenomenon of left subcostal pain. Patients can use gastric Fuchun tablets, compound Chen Xiang stomach tablets and other drugs under the guidance of the doctor for treatment. 3. Coronary heart disease: usually due to long-term smoking, abnormal glucose tolerance and other factors lead to the narrowing of the blood vessel cavity or obstruction, resulting in myocardial ischemia, necrosis, left subcostal pain and other discomforts. Patients can follow the doctor’s instructions to use nifedipine controlled-release tablets, atorvastatin calcium tablets and other drugs for treatment. When the patient has left subcostal pain, a symptom alone cannot determine the specific cause, and it is recommended that the patient go to the hospital in time for examination and treatment under the guidance of the doctor.