1, the cup can be soaked in strong tea for half an hour and it must be strong tea. Then put a clean rag in it for a few minutes, then pour it out and clean it with water. At this step, the taste of traditional Chinese medicine has been diluted, and the drug stains have been significantly reduced.

2. Wipe the inside of the cup with toothpaste mixed with water. Brush with waste toothpaste as usual, and clean with water after a few laps.

3. For clay pots, it is difficult to clean them like glass because of their large molecular structure, so the clay pots and thermos cups should be soaked in salt water for one night and then cleaned the next day.