The signs of recurrence of hernia surgery are as follows: 1, the appearance of the same inguinal area as the preoperative reproducible mass, and some even scrotal hernia, scrotal mass.2, the postoperative mass can occur incarceration, the child will appear crying, refusal to eat, vomiting, and so on a series of manifestations. At this time, the family observation, can be found in the inguinal surgery area appeared a lump, lying down to rest for a period of time after the lump can disappear again, this may be the recurrence of hernia. The recurrence of hernia after surgery. 1, and intraoperative operation whether the hernia sac is very accurate. 2, and after the operation of the abdominal strenuous activities, or abdominal pressure increases, such as constipation, coughing, crying and so on also has a certain relationship, so we should treat differently.