In fact, it is very simple, like some smelly porcelain, as long as it is cleaned with clear water first; Then pour 1/20 vinegar into the jar, two fingers deep at the bottom of the jar. White vinegar is the best vinegar. Fill the jar with clear water again, don't fill it, shake it gently, and don't overflow the bottle; Then seal the jar and put it in the shade for about ten hours; Open the jar, pour out the liquid inside, rinse it with clear water several times, and the odor will be eliminated.