Fluid accumulation after hernia surgery usually includes two kinds of situations: 1, the more common is because of the conventional open surgery, postoperative subcutaneous fluid, mainly because of the use of electric knife in the operation after the fat liquefaction, the general accumulation of fluid in the subcutaneous, at this time, usually need to timely treatment of the fluid accumulation of sutures to be removed, will be discharged, usually can be cured. 2, mainly because of the hernia into the scrotum, in the middle of the operation to separate the hernia sac, or transverse hernia sac after the appearance of postoperative scrotal effusion, then at this time, usually use the hand to support the high scrotum, usually 1-2 weeks after the effusion can disappear. The main reason is that the hernia has entered the scrotum, and the scrotal effusion occurs after separating the hernia sac in the middle of the surgical process, or after transecting the hernia sac, then at this time, the scrotum is usually supported by the hand, no special treatment is needed, and the effusion usually disappears after 1-2 weeks.