The first day of rhinoplasty is not recommended to sleep on the side for the following three reasons: 1, side lying is likely to cause hematoma or subcutaneous bruising, if supine, rhinoplasty prosthesis for small bleeding below, such as capillary bleeding will have the effect of compression, to play the role of compression to stop bleeding, but if side lying, the effect of compression to stop bleeding is not, if there is a small bleeding is not stopped in time, it will cause subcutaneous hematoma or skin bruising. 2, prosthesis displacement, side lying due to gravity, the prosthesis just put into the nose is not stable, side lying may cause the nose to be distorted. 3, due to side lying, the skin tissue is swollen on the first day after surgery, some tissue fluid may gather on one side, and the patient’s own feeling is not very comfortable, one side will feel swollen and sore, so rhinoplasty is not recommended. Sleeping in side position on the first day.