Decubitus ulcers are often found in the sacrococcygeal region, mostly due to long-term local pressure, and the wounds are sometimes light in appearance with shallow subcutaneous cavities or tissue necrosis, i.e., the phenomenon of a small mouth and a large stomach. Care is important, strengthen care, more lateral, avoid local long-term pressure to aggravate the disease. Treatment has conservative and surgical methods: conservative methods is to perform local drug changes, external saline (use hydrogen peroxide, as appropriate) after repeatedly rinsing the wound, you can use a similar topical ointment Baidobang anti-infection, while using some decay and muscle drugs (such as Jilin Aodong pharmaceutical production of Zhen Shi burn cream), such as the conditions can also use nano-silver anti-infection dressing, weekly drug changes 2 to 3 times; if the local infection is heavy, but also If the local infection is heavy, systemic anti-infection treatment is also needed. The surgical method is to remove the necrotic tissue and use the corresponding wound repair method according to the situation after debridement.