The inguinal region is located in the lower abdomen between the level of the anterior superior iliac spine and the outer edge of the rectus abdominis muscle and the inguinal ligament, commonly referred to as the area where the lower abdomen and thighs meet. Inguinal masses are one of the most common clinical signs and symptoms in surgery and are particularly common in the elderly. The following are the common diseases that cause inguinal masses in the elderly and their management principles. I. Inguinal hernia In the elderly, due to weak resistance of the abdominal wall and increased intra-abdominal pressure, the contents of the abdomen, including the intestinal canal and omentum, protrude from the weak abdominal wall to form an inguinal hernia. It appears as a lump in the groin, which appears when standing, walking or coughing, and gradually increases in size with time, enlarging into a pear-shaped or oval lump. It gradually enters the scrotum and in women it may enter the labia majora. The mass may shrink or disappear when lying down or pushed by hand, and may appear again when standing or walking. A giant hernia may also have a sagging sensation or “indigestion”. It may be inconvenient when walking. At present, tension-free hernia repair and laparoscopic tension-free hernia repair are mostly used, and the latter is less invasive and quicker to recover. Inguinal lymph node enlargement In the inguinal region, the lymph nodes cannot be touched in general, but once they are touched, the lymph nodes are enlarged and painful, suggesting the possibility of inflammation (acute inflammation and chronic inflammation) or tumor. It may appear as a painful swelling at the root of the thigh, above and below the inguinal ligament and at the fossa ovalis. The swelling may be one or more, generally more than one is common. It may be accompanied by fever, chills and other systemic symptoms. The first thing we need to do is to find the cause of the swollen lymph nodes and look for the presence of infections in the lower abdomen, pelvis, perineum, and lower extremities and feet according to the drainage area of the inguinal lymph nodes. If it is caused by an infection, it can be cured with antibiotic treatment and treatment of the primary infected lesion. It is important to be alert to the fact that many inguinal lymph node enlargements in the elderly are caused by malignant tumors originating from the anorectal and genitourinary tracts. Third, inguinal lymph node tuberculosis elderly patients with a history of tuberculosis, found inguinal lumps, after excluding the above-mentioned causes to consider the disease, in order to clarify the diagnosis of X-ray examination of the chest and other parts, tuberculin test, blood sedimentation test, etc., but also the diagnosis of unknown lymph node puncture or excisional biopsy is feasible. Patients with inguinal lymph node tuberculosis should be given systemic anti-tuberculosis treatment, rest and increased nutrition. If only a few isolated enlarged lymph nodes are present, they can be surgically removed. If a cold abscess has formed, local abscess extraction and intra-abscess injection can be done, and if the abscess has broken down, surgical debridement and scraping and drug exchange treatment can be done. There are many reasons that can cause a lump in the groin, but the most common are mainly the three cases mentioned above. Older people who have a lump in the groin must go to the hospital in time to identify the cause and take the correct treatment.