What to do if the Songdao Vacuum Travel Pot smells bad?

Pour hot water into the cup, add baking soda, shake, let it sit for a few minutes and then pour it away to remove all odor and scale. 2. Toothpaste can not only remove oral odor and clean teeth, but also remove odor in tea cups. Use toothpaste to clean the tea cup and the odor will be gone immediately. 3. Prepare salt water, pour it into a tea cup, shake it and let it sit for a while, then pour it away and rinse it with water. 4. You can put the teacup into tea water and boil it for 5 minutes, then wash it with clean water and dry it in the sun. There will be no odor. 5. Pour half a cup of warm water into the tea cup, then pour a few spoons of milk, shake gently, let it sit for a few minutes, then pour it away and rinse with water. 6. Wipe the tea cup with apple peel, then rinse it with clean water to remove odor.