1. Banana tree sap contains tannins. If it stains on clothes, it must be washed immediately with clean water, otherwise brown spots and stains will appear. It is difficult to wash away with ordinary bleach. Buy a bottle of "Stain Remover" Detergent can remove stains.

2. For new stains, wipe the stained area with concentrated salt water, or immediately sprinkle salt on the stained area, rub it gently with your hands, moisten it with water and immerse it in the detergent solution to wash it off. You can also use warm water and soap to wash it vigorously. remove.

3. After removing heavy and old traces, you can first use 5% ammonia to neutralize the organic acids in the fruit juice, and then clean with detergent. Chemical fiber blends containing wool can be cleaned with tartaric acid.

4. If the fabric is white, add a few drops of ammonia to 3% hydrogen peroxide, dip a cotton ball or cloth into the solution to moisten the stained area, and then wipe with a clean cloth. Dry in shade.

5. Wipe the contaminated area with 3-5% sodium hypochlorite solution, and then rinse with clean water. If there are traces, soak it in the solution for 1-2 hours, then scrub and rinse.