Left abdominal pain below the ribs may be caused by muscle strain, costochondritis, gastritis, etc., usually through medication and life adjustments for relief, if not improved, it is recommended to seek medical attention. 1. Muscle strain: if the patient is not careful when performing strenuous exercise, resulting in muscle strain in the left abdomen below the ribs, there will also be pain. At this time, the patient should stop exercise, bed rest is recommended, you can use hot water bags, hot towels and other wet compresses. It is recommended that patients should pay attention to warm up to avoid injury. 2. Costochondritis: trauma, cold, fatigue and so on may lead to inflammation of the rib cartilage, triggering hidden pain, patients can use omeprazole, lansoprazole and other drugs for treatment. Usually pay attention to keep warm, avoid too much exertion and strenuous exercise. 3. Gastritis: the stomach is located in the upper abdomen of the human body, the appearance of the left abdomen below the rib cage hidden pain, may be caused by gastritis, gastric mucous membrane damage, by the stimulation of gastric acid, there will be pain in the stomach. Patients are usually treated with sodium bicarbonate and aluminum hydroxide, and the medication should be taken in accordance with the doctor’s instructions. Patients should pay attention to the diet, as well as maintain a healthy routine. Hidden pain in the left abdomen under the ribs may be caused by other diseases, such as pleurisy, myocardial infarction, rib fracture, etc. It is recommended that the patient consult a doctor in a timely manner to make a clear diagnosis, so as to avoid delays in the condition.