Decocted Chinese medicines can be drunk overnight, and it is best to store them in the refrigerator to keep them cold. The decocted Chinese medicine is different from the dried Chinese medicine tablets or Chinese medicine granules, as the active ingredients of the medicine have been dissolved in the liquid after decoction, the liquid containing water is a very good bacterial culture medium, which will breed a lot of bacteria in the room temperature environment leading to the deterioration of the liquid sour, so the liquid needs to be kept in the refrigerator to inhibit the growth of bacteria. Drinking overnight is not a problem, it is generally believed that the decoction of the liquid in the refrigerator for seven to ten days is not a problem, if you take out the liquid, the liquid in the liquid precipitation and drink the taste of the larger changes, it is recommended to throw away do not drink. Of course, it is best to drink the medicine on the same day.