1. One of the most commonly used methods is to blanch with hot water. You can pour the boiling hot water into a thermos bottle, then close the lid, and replace the hot water after one day, so that the peculiar smell can be removed in two days.
2. Using vinegar can also dilute the peculiar smell in the thermos. You can add water to the thermos, then pour a little vinegar, shake some thermos, leave it for a while, pour out the water, and then rinse it off.
3. Orange peel is also the most commonly used good way to remove odors. It is also a good way to put some broken orange peels in a thermos bottle, and then add some hot water, so that the hot water can stimulate all the flavors in the orange peels, so wait until the hot water Pour out the water when it is cold, and the peculiar smell in the thermos is gone.
4. Lemon slices can also remove the peculiar smell in the thermos. Put the cut lemon slices in the thermos, add some water, shake the thermos, and shake it once in a while, so that the peculiar smell will be removed about a day or so.
5. If you drink tea often, you can pour the remaining tea into a thermos, and then change the thermos, so that it is also very effective to dilute the peculiar smell in the thermos with the tea.
6. Beer can also dilute the peculiar smell. Put the beer into the newly-purchased thermos bottle, shake it thoroughly, and then cover it for a day, then pour out the beer and rinse the thermos bottle to remove the peculiar smell.
7. Go to the supermarket to buy a deodorant specially used to remove odors. It is very effective to use a deodorant to remove the odor of the thermos, but after deodorizing, you must carefully rinse the thermos.
