2, salt white vinegar to yellow method. Pour a proper amount of salt into warm water and stir well. Then soak the clothes and wash them with soap. After washing, add an appropriate amount of white vinegar and soak for another ten minutes to remove the yellow stains on the clothes.
3. Cook until yellow. Add a proper amount of salt to clear water and bring to a boil. Don't wait until the clothes are completely cold, just iron them. Yellow stains on clothes can be removed by high temperature.
4, spinach water to yellow method. Boil spinach in water, take out spinach and leave juice. Take a proper amount of spinach juice and mix it with water, not too much water. Soak the laundry in it for ten minutes. Finally, the yellow stain can be removed by routine washing with soap until it becomes clean.