This is a device that can be used to share some of the over-the-counter medicines that are commonly used. Now most people get cold and other illnesses relatively low frequency, each time from the drugstore to buy over-the-counter drugs after a few times it idle, until the need to use it again, but found that it has expired. If the idle drugs can be shared, it can reduce the waste of many drugs, and it can also facilitate people's lives and save the cost of life.