Most of the postoperative period after mesh removal requires a face-to-floor position at all times during sleeping, sitting rest and walking. When sleeping, patients are required to lie in prone position, face down or buckle the head on the U-shaped pillow, which can reduce the pressure on the chest and abdomen and the feeling of stuffiness; when sitting, patients are in a lowered position, and it is best not to have the head cocked and other incorrect postures; it is also necessary to keep the face towards the ground during walking, and it is best to have someone to help or have a support object to prevent the fall and other situations. After retinal detachment surgery, inert gas or silicone oil will be injected into the eye according to the state of the fissure and retina, which is floating due to its lighter physical properties than the contents of the eye. Retinal detachment occurs mostly in the middle and back of the eye, and sleeping on your stomach will allow the silicone oil, gas, etc. to support the detached retina towards the back of the eye, restoring its laying state. After retinal detachment surgery must follow the doctor’s advice, pay attention to walking sitting and lying posture.