Question: There are two ways to reduce swelling after cosmetic surgery, cold compress and hot compress, so how should I apply cold compress and hot compress after double eyelid surgery? The hot compress within 72 hours will add fuel to the fire. Before double eyelid surgery, we all pay attention to the post-operative effect, but rarely understand how to carry out post-operative care, and it is difficult to grasp how to choose between cold compress and hot compress. Some patients said: double eyelid surgery immediately after the hot towel hot compress, who know not only did not reduce the swelling, but swelling more powerful. Cold compress commonly used two methods Ice bag cold compress method: This is a dry cold compress method, very effective in reducing swelling. Use an ice bag made of rubber, fill it with ice water or ice cubes, then press the bag to remove the gas, dry the water on the surface and put it on the surgical site. General cold compress 20~30 minutes is enough, more times a day the effect will be better. Wet cold compress method: hold a basin of cold water, you can put ice cubes in the basin or directly use well water, and then soak the towel, take out and wring to half dry and put on the eyes. 4~5 minutes to change once, each time is also compress 20~30 minutes, several times a day. Hot compress is advocated after 72 hours Hot compress is not advocated within 72 hours, this is because early hot compress will make bleeding more and swelling more serious. But after this, the wound site bleeding has stopped, the local has formed a crust, then use hot compress can accelerate local blood circulation, increase the nutrient delivery to the wound site, so that the wound repair faster, while promoting blood flow back, has accelerated the role of absorption of bruises. Hot compresses commonly used in two methods Hot water bag method: and ice bag compress method, which is a dry heat compress method. Use a hot water bag, 60 ℃ ~ 70 ℃ of hot water into the bag capacity of 2 / 3, after the exclusion of gas, dry the bag body of water, wrapped in cloth, placed on the eyes. Twenty to thirty minutes at a time, three or four times a day will do. Wet heat compress method: use a towel or gauze, first soak into the hot water basin, take out and wring to half dry, you can first measure the temperature at the wrist is appropriate, and then covered with cotton pads on the cloth to avoid heat loss. Change every 5 minutes, 15-20 minutes each time, three or four times a day.