There are mildew spots on the white school uniform. How can I wash them off?

Preparation: white vinegar, soap, toothbrush and water.

Cleaning method:

1, put a proper amount of water in the basin, add a little white vinegar and mix well.

2. Soak the school uniform with mildew spots in water for about 5 minutes.

3. After soaking, open the place with serious mildew spots and apply soap evenly.

4. Gently brush (or rub by hand) 1-3 minutes with a soft brush.

5. Finally, rinse the foam with clear water, and the mildew spots will be removed.