The hard and long stripes in the left abdomen of men may be physiological, or it may be caused by pathologic factors such as constipation, intestinal occupying lesions, inguinal hernia and so on. 1. Physiological factors: such as regular fitness or relatively thin men, abdominal muscles are relatively obvious, can be manifested in the abdomen, the symptoms of hard long stripes. 2. Pathological factors (1) constipation: mostly seen in elderly patients, can be related to poor dietary habits, causing dry stools gathered in the gastrointestinal tract is not easy to discharge, can be manifested as the symptoms of men’s left abdomen with hard stripes. (2) intestinal space-occupying lesions: mostly in the rectum, sigmoid colon and other parts of the intestinal tube can also cause varying degrees of obstruction, thus appearing in men with a hard left abdominal symptoms, mostly accompanied by abdominal pain. (3) inguinal hernia: common in elderly men, male patients may be manifested in the left lower abdomen with a long hard lump. Localized hard lumps can cause necrosis of the intestinal tube in case of incarceration. There may be other reasons for men to have a long hard left lower abdomen, and they need to consult a doctor in time to observe and diagnose the condition, and standardize the treatment under the guidance of the clinician to avoid any delay in the condition.