The steps for disinfection of bedsore wounds generally include wound cleaning, antiseptic disinfection, re-cleaning, filling the wound, and covering the wound, but the specific steps still need to be determined according to the wound condition. 1. Wound cleaning: get rid of pus and corrupt and necrotic tissues, use saline to clean the wound until it is clean. 2. Antibacterial disinfection: spray silver ion antibacterial dressing on the wound and cover the wound. 3. Cleansing and drainage: If the tissue is necrotic, crusted, black scabs and other symptoms, use the gel of cleansing to promote the necrotic and crusted tissue of the wound to dissolve by itself; if the wound is deeper and there is accumulation of fluid and pus, place the skin piece or silicone tube to drain. 4. Fill the wound: If there is a sinus tract (cavity, deep hole), cut alginate filler according to the size of the wound and fill it into the sinus tract, if there is no such thing, skip this step. 5. Covering the wound: Choose a suitable dressing or gauze to cover the wound opening. Disinfection of decubitus ulcers needs to be done carefully and cautiously. It is recommended to go to the hospital and let the professional doctor operate in order to avoid delaying the condition.