1, use lemonade.

2. Milk deodorizing method: soak the plastic cover with milk and wash it in about a minute.

3, orange peel to taste method: cover the cap with orange peel and put it for about 3 to 4 hours.

4, boiled vinegar, stirring, boiling water for half an hour.

5, blister with tea, preferably jasmine tea and so on.

6, wash with ginger flavored detergent and warm water, and place it in a ventilated place.