Method 1:

Soak in strong tea for half an hour. Be sure to have 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.

Method 2:

Wipe the inside of the cup with toothpaste mixed with water, clean it as usual with a waste toothpaste brush, and clean it with water after several laps.

Method 3:

For clay pots, it is difficult to clean them like glass because of their large molecular structure, so you can soak them in salt water for one night and then clean them the next day.