Femoral hernia and hiatal hernia mainly refer to the formation of a mass due to congenital or acquired factors at a weak point or defective area of the human body, where tissues and organs of the human body leave their normal position and protrude from the weak point. 1. Femoral hernia: A femoral hernia is a mass formed when the hernia sac protrudes through the femoral ring and inguinal canal. It is usually seen as a protruding semicircular mass in the inguinal region. It is relatively more common in older women and less common in men. 2. Hiatal hernia: Hiatal hernia, also known as inguinal hernia, is a mass that protrudes from the abdominal cavity through the internal inguinal ring to the surface of the body, and can enter the scrotum, which is more common in men. Overall, once found in the inguinal region or scrotum with abnormal masses appear, need to go to the hospital in time to check, clear specific causes for targeted treatment.