Remove old floor tiles directly.
This is the easiest way. Just tear down the old floor tiles and buy a new floor tile shop with the same style. It's easy to get it done!
Creative choice
If you want to try some creativity, you can collect some small tiles with similar styles to old tiles, break them into powder and repair them.
Necessary repair artifacts
Go to the store to buy marble glue, which is a magic glue for bonding stone, and the effect is superior!
Perfect mixing
Mix and stir the floor tile powder with marble glue to ensure uniformity and no impurities, which will affect the repair quality.
While the repair is in progress
Use a convenient tool to spread the mixture where it needs to be repaired and smooth it out.
Waiting for air drying
Let the mixture stand for a few minutes until it naturally dries and solidifies. If polishing is needed, an angle grinder can be used; No polishing is needed.