Materials and production: Medical gauze is usually degreased gauze, which needs to be sterilized at high temperature and double bleached with chlorine and oxygen to make it suitable for medical use. Medical bandages are mainly made of cotton cloth and are divided into gauze bandages and elastic bandages. Gauze bandages are all-cotton gauze, while elastic bandages may contain spandex or other materials to provide stretchability. Uses and functions: Medical gauze is mainly used for bandaging wounds and applying medicines. It has a sparse structure and good moisture absorption and dissipation properties, making it suitable as a base material for medical bandages and coverings. Medical bandages are mainly used to fix and bandage wounds to prevent wound infection. Elastic bandages can also be used to improve blood circulation and prevent limb swelling.