1. Milk deodorization method: first clean it with detergent, then pour two soup keys of fresh milk into the plastic tableware, cover it, shake it to make every corner of the cup contact with the milk for about one minute, finally pour out the milk and clean the plastic tableware.
2. Orange peel deodorization method: first clean the orange peel with detergent, then put the fresh orange peel in, cover it, and rinse it for about 3 to 4 hours.
3. Use waste tea to remove odor: if there is fishy smell in the plastic tableware, first use waste tea to scrub, and then use clean water to remove the fishy smell.
4. Deodorize with salt water: soak with salt water for 30 minutes, then rinse with clean water to remove the fishy smell.