I got grass stains when I was traveling in the wild. How to wash them off?

There are green grass cream stains on clothes, which can be cleaned by the following methods:

1. After the clothes are completely dried, apply the stock solution of the special hand-washing laundry detergent to the stain, completely cover the stain, let it stand for 5 minutes (gently scrub), and then add the laundry detergent for routine washing;

2. If the above method can't remove the stain, then

(1) Pure white clothes made of pure cotton, linen and polyester: for each half basin of water (about 2 liters), add 1 bottle cap (40 grams) of white clothing stain (600g specification), stir evenly, soak in the clothes for 30 minutes, and rinse off.

* If necessary, the soaking time can be extended appropriately. If the color stain is not removed after 2 hours, take out the clothes, put the white clothes into the basin (add 1 bottle cap to each half basin of water), stir them evenly, and continue to soak them in the clothes for a cumulative soaking time of no more than 6 hours.

(2) White clothes made of colored or other materials: put the clothes into the basin and stick the stained parts on the bottom of the basin. Dye the bottle cap with colored clothes (600g specification), and measure out 1/4 bottle cap (10g) and 1/4 bottle cap (10g) to dye the collar. If the stain is still not removed after 2 hours, the standing time can be extended to overnight.