In the face of changes in social patterns in recent years(aging, improvement of medical standards), we will face the following problems:
1. Chronic diseases: Chronic diseases impair the physiological functions of the body, which mat cause wounds or slow wound healing。
2. Long-Term Bedridden: Reduced activity leads to long-term bedridden, which in turn puts pressure on the skin for a long time, which is prone to bed sores。
3. Surgical wounds: Cesarean section, aesthetic medicine are popular and surgeries are increasing。
