The selection of the operating hole should be as convenient as possible for the operation of the appendix, and the instruments should be angled to avoid fighting and chopstick effects. It can also be angled with the appendix as much as possible to facilitate the lifting and turning of the appendix.

After that, minimal invasiveness is considered. The premise of minimal invasiveness is not only the size of the operating hole, but also the size of the actual injury.

Regardless of men and women, age, the smaller and more concealed hole is naturally more in line with the principle of beauty.

Punching at the midline and white line has minimal damage. The penetrating tissues are fascia and connective tissue. The lateral holes must penetrate the muscles. The pain caused by bleeding and nerve damage is unavoidable. Only one punch should be used as much as possible.

When drilling a hole, you can use the lens light to illuminate the abdominal wall from the inside to the outside, and you can see the subcutaneous blood vessels and the blood vessels in the abdominal wall. You should avoid them when you drill.

For perforation or suppuration and some situations where drainage tube needs to be placed, after drilling the first hole for exploration, it is necessary to consider whether the location of the operation hole can smoothly place the drainage tube and the orientation. It is best not to make another hole after operation.