Goji berry water, if kept in a good way, can be kept overnight. But if you do not pay attention to the way of preservation of wolfberry water, it is not recommended overnight. Chinese wolfberry water if you do not drink in time, it will be easier to be dust or bacteria and other microorganisms invasion, after drinking again may also cause gastrointestinal tract stimulation, it will be easy to trigger stomach pain, nausea, vomiting and other discomforts occur. Chinese wolfberry soak water, if more attention to preservation methods, is in a sealed better vessels, and put in the freezer storage, can avoid Chinese wolfberry water by dust or other pathogenic microorganisms invasion, but also reduce the Chinese wolfberry water to the air contact, the Chinese wolfberry water can be overnight. But if the wolfberry soak water did not pay attention to the preservation method, long time and air contact, it will be easier to be invaded by pathogenic microorganisms, this way of preservation of wolfberry water is not recommended to drink.