The pain in the lower left side of the stomach may be caused by improper diet, or it may be related to menstruation, or it may be caused by abdominal diseases. If you can’t identify the specific cause, you should consult a doctor, complete the relevant examinations, identify the specific cause, and then use the appropriate way of treatment. 1, improper diet: If the patient consumes unclean food, such as greasy, spicy and stimulating food, including barbecue, resulting in food poisoning, it may lead to the tingling pain in the lower left side of the stomach, a burst of pain, such as accompanied by the symptom of vomiting, you should be rehydrated. If it is for overeating, resulting in food difficult to digest, indigestion, and triggered by the lower left side of the lower belly tingling, a burst of pain, you can take drugs such as morphine to treat. If the pain is more serious, you can apply resorcinol under the guidance of the doctor for antispasmodic pain treatment; 2, menstruation: If the patient is a woman, before menstruation, the body hormone secretion disorders, resulting in pelvic congestion phenomenon, manifested in the lower left side of the lower belly tingling, a bout of pain, there may also be a chills, fatigue, drowsiness, etc., it is generally recommended to drink more hot water, hot compresses on the abdomen, to relieve the symptoms, can also take oral medications, and can also be used as an oral contraceptive. Relieve the symptoms, can also be taken orally motherwort capsule, Tianqi menstrual cramps capsule and other drugs for treatment; 3, abdominal diseases: if the patient long-term unhealthy diet, resulting in abdominal diseases, such as intestinal obstruction, acute gastritis, etc., may appear in the lower left side of the lower belly tingling, a burst of pain phenomenon. If the patient is intestinal obstruction, the intestinal tube will be dilated, part of the intestinal contents, bacteria and inflammation will seep out, resulting in abdominal infection, which will be manifested as abdominal pain, diarrhea, nausea and so on. Patients are generally recommended to use saline and glucose injection for intravenous treatment, and for strangulated intestinal obstruction, surgical treatment should be taken to relieve the symptoms as soon as possible.