Lying down on the left side of the lower abdomen has a long hard object that hurts when pressed, which may be feces, intestinal space-occupying lesions or gynecological malignant tumors. 1. Feces: If the patient has a history of chronic constipation, there may be unemptied feces in the intestinal tract, and prolonged constipation gradually accumulates, manifesting itself as a long, hard object palpable on the surface of the body, which can be treated with oral laxative or soapy enema to help the patient defecate. If the long hard object disappears after defecation, it can be confirmed as feces production. 2. Intestinal space-occupying lesions: If the hardness still exists after defecation, it is necessary to be alert to the possibility of intestinal space-occupying lesions, and it is recommended to go to the hospital, complete the abdominal CT or colonoscopy and other related examinations, and choose further treatment options according to the results. 3. Gynecological malignant tumors: If the patient is a woman, it is necessary to be alert to the possibility of gynecological malignant tumors, such as ovarian cancer, ovarian chocolate cysts, teratomas, etc. It is recommended that the patient go to the hospital to improve the gynecological ultrasound and other gynecological examinations, and comply with the doctor’s instructions for treatment after diagnosis. It is recommended to go to the hospital, improve the abdominal CT or colonoscopy and other examinations, to clarify the cause of the disease before treatment, so as to avoid delaying the condition.