Chinese medicine believes that hot compress has the efficacy of unblocking the meridians, promoting the smooth flow of Qi and blood, dispersing blood stasis, relieving swelling and pain; modern western medicine believes that the main purpose of hot compress is to dilate blood vessels, promote the absorption of inflammation, reduce pain, promote local blood circulation, promote the absorption and dissipation of blood stasis, and increase local nutrition. Home hot compresses are mainly used for keratitis, acute iridocyclitis, mydriasis, acute dacryocystitis, subcutaneous stasis of blood, etc. (Note: acute conjunctivitis is prohibited to do eye hot compress) 1, dry hot compress method: hot water bags or bottles that can withstand high temperatures, filled with hot water, wrapped in gauze or a clean towel outside, it will be placed on the eye to be hot compress, the temperature is generally around 40 degrees (note that the temperature is moderate, to avoid burns), each hot compress 15-20 minutes, 2 times a day. 2, wet hot compress method: prepare a clean towel, folded into 7-8 cm size, the towel block with hot water, wringing, close your eyes, the towel block directly on the eyelid skin, pay attention to the temperature moderate, so as not to burn, 15-20 minutes each time, 2 times a day. Or pour hot water into an open cup, place the eye above the cup, and fumigate the eye with hot air.