Pressing a long hard thing with pain in the left lower abdomen is usually feces, and there also exists the possibility of suffering from intestinal tumors, intestinal obstruction and other diseases. 1. Feces: If there is no defecation for a long time, the feces accumulates in the intestines, and if you press the abdomen with your hand, you can find a long hard thing in the left lower abdomen, and some people will have pain. 2. Intestinal tumor: intestinal tumor belongs to intestinal occupational disease, clinical manifestations include anemia, emaciation, increased frequency of bowel movement, etc. If the size of the tumor is large, the patient may have a long, hard thing in the left lower abdomen with pain. If the tumor is large in size, the patient may have a long hard object with pain when pressing on the left lower abdomen. The cause of the tumor is not clear yet, and it may be caused by heredity, inflammation and lifestyle. 3. Intestinal obstruction: Intestinal obstruction refers to any cause of intestinal contents through the obstacle, intestinal adhesions, tumors, etc. is a common cause, the patient’s typical symptoms are abdominal pain, constipation, vomiting, the anus to stop defecation. If there is intestinal obstruction in the left lower abdomen, there may be a localized press with a long hard object accompanied by pain. There are more reasons for a long hard object with pain when pressed in the left lower abdomen, and patients are advised to seek medical examination for a clear diagnosis.