2. Scrub the cotton-padded clothes repeatedly with warm alkaline water or soapy water or washing liquid, change a basin of water after scrubbing, and wipe off the washing liquid on the cotton-padded clothes with a clean cloth dipped in water. Keep the water clean to scrub the cotton-padded clothes clean.
3. Hang the cotton-padded clothes in time after wiping, and iron them when they are dry.
4. Finally, gently pat the cotton coat with a wooden stick to restore the cotton to a soft state.