Pus in the toe is usually caused by incorrect nail trimming, and this is the time to differentiate the treatment of pus in three degrees: mild, medium and severe. In mild cases, if the redness and swelling are confined to the area of the nail pressure, the nail should be cut off and soaked in iodine for 15 minutes for a week. If the moderate toe pus has expanded to the toe and palm of the foot, a local incision should be made at this time to completely decompress the abscess to prevent further upward spreading, and a microincision should be made at this time, followed by daily medication changes. Of course, if a long period of time has elapsed and severe suppuration has been reached, that is, it has eroded into the bone, then a local incision should be made to remove all the infected tissues. In addition, if the infected bone is scraped away, an artificial flap should be applied for negative pressure drainage and the wound should be closed when the wound is suitable. So toe suppuration also needs to be treated differently depending on the degree.