Boiled Chinese medicine can usually be consumed overnight, provided that it has not spoiled and is well preserved. If the boiled Chinese medicine is not consumed on the same day, it should be covered with plastic wrap and placed in the refrigerator. If there is no deterioration, it can be taken overnight. If it is a vacuum-packed medicine that was decocted in the hospital, it can be kept in the refrigerator. If the weather is hot and the medicine is not refrigerated, the medicine will be easily deteriorated. If the medicine is found to be cloudy or the vacuum-packed bag appears to be bulging, the medicine is considered to have deteriorated and should not be consumed. Do not take medicines that have been spoiled to avoid adverse effects on the body. If you drink overnight Chinese medicine symptoms of discomfort, you need to seek medical attention in a timely manner.