After appendicitis surgery, fluid can be drained by puncture when the fluid is large, or no special treatment is needed when the fluid is small, depending on the amount of fluid. After appendicitis surgery, there may be abdominal fluid, if a small amount of fluid, the fluid is generally able to self-absorption, so generally do not need treatment, you need to regularly review and observe the changes in the fluid. After appendectomy, if there is more fluid in the abdominal cavity, the fluid is usually not self-absorbed, and the fluid needs to be drained, which can be done by puncture and aspiration, and sometimes a drainage tube can be placed to continuously drain the fluid and eliminate the fluid. It is recommended that the patient go to a regular medical institution, need to complete the relevant examination, such as abdominal ultrasound, etc., to be able to determine the amount of fluid accumulation, and then can decide how to deal with.