Discomfort at the base of the thigh could be an inguinal hernia. Inguinal hernia is a common condition that is much more prevalent in men than in women. It occurs when there is a defect in the inguinal area and the abdominal organs, including the small intestine or omentum. Through the defect in the abdominal wall, it reaches the skin and forms a mass, which is able to cause vague pain and discomfort in the groin area. The mass is able to appear when standing, or when the abdomen is strained, and it can enter the abdominal cavity when lying down or when it is returned by hand. It is a benign disease, but it is easy to form an incarcerated, if it is incarcerated after the mass is stuck in the inguinal region can not go back, this time it is easy to lead to the contents of the content, that is, the inside of the small intestine or the omentum necrosis. Therefore, if it is clear that it is a hernia, surgery should be performed as soon as possible.