Hidden pain in the left lower abdomen every morning relieved after defecation may be caused by inflammation of the intestinal tract, intestinal cramps, irritable bowel syndrome and other diseases, and may also be caused by other diseases such as irritable bowel syndrome. 1. Intestinal inflammation:Intestinal inflammation is caused by bacterial, viral, parasitic and other pathogens infection, patients will have diarrhea, abdominal pain, fever, nausea and other symptoms. As a result, patients will experience a vague pain in the left lower abdomen every morning that is relieved after defecation. 2. Intestinal spasm: If the symptoms of hidden pain in the lower left abdomen are present every morning, but can be relieved quickly after a bowel movement, we should consider that it may be caused by intestinal spasm in this case. It may be triggered by the cold stomach at night, usually pay attention to strengthen the abdominal warmth, you can use local hot compresses to improve the way. 3. Irritable Bowel Syndrome: Irritable bowel syndrome can also lead to the phenomenon of patients experiencing a vague pain in the lower left abdomen every morning, which is relieved after defecation. There may be other reasons for the pain in the lower left abdomen every morning after defecation, patients with the above symptoms, it is recommended to consult a doctor in a timely manner, improve the examination, and comply with the doctor’s instructions for treatment.