What should I do if the leather inside my shoes falls off?

1. Mix egg white with shoe polish and rub it on the scratched leather surface. After drying, wipe another layer and rub it several times in turn. The surface of shoe polish to be dried is higher than that of leather;

2. dry glue, such as 502, has been used, and the scraped leather is glued flat and then coated with shoe polish;

3. Polishing with rotating paper, then cleaning the whole shoe, and then brushing leather dye for renovation and dyeing;

4. Clean the kicked part, coat it with leather repair paste, dry it, polish it flat, then clean the whole leather shoes, and finally brush leather dye for renovation and dyeing.