Hernia in little boys usually refers to inguinal hernia, know whether the little boy has inguinal hernia can be determined by clinical manifestations, physician examination, auxiliary examination. 1. Clinical manifestations: when a boy has a hernia, a lump in the groin area appears during walking, strenuous exercise or crying, and disappears naturally when he rests calmly or presses down with his hands. 2. Physician’s examination: the physician can determine whether there is an abnormal protruding mass through the examination of the body surface, check the location, size, hardness and softness of the mass, and determine the contents of the mass by palpation. 3. Auxiliary examination: Physicians can further confirm the diagnosis with the help of ultrasound and other related examinations. It is necessary to go to the hospital, diagnosed by the physician after examination, according to the condition of the treatment, you can not randomly use drugs.