Li Ziqi's brown sugar ginger tea has a shelf life of 1 year. The shelf life of individually packaged brown sugar ginger tea is about one year, but it can be drunk as long as it does not exceed the shelf life. Ginger tea can effectively dispel cold, warm the stomach and strengthen the spleen, but it is best not to drink brown sugar ginger tea at night, which is bad for the stomach. In addition, brown sugar ginger tea can be drunk more in spring and summer to effectively prevent influenza, and it can also be drunk properly in winter. It is not advisable to drink ginger brown sugar tea once a day, preferably once every two to three days.