1. Milk deodorization method: You can first clean the plastic cup with detergent, then pour two soups of key fresh milk into the plastic cup, cover and shake, so that every corner of the cup is in contact with the milk for about one minute , and finally pour out the milk and clean the cup.
2. Salt water deodorization method: You can add some salt into the plastic cup, then add boiling water to make salt water, soak for about 30 minutes, and rinse the plastic cup with clean water.
3. Lemon deodorization method: You can cut a lemon in half, squeeze a few drops of lemon juice into a plastic cup, and then add an appropriate amount of hot water to dilute it. After soaking for a few hours, the plastic smell disappears.
4. The method of boiling water to remove the taste: you can first boil cold water, pour the boiling water into the plastic water with peculiar smell while it is still hot, then cover the plastic water bottle cap, wait for 10 minutes to soak, then pour out the water in the plastic water cup, After cleaning it, the odor in the plastic water cup can be reduced.