The ginger in the tea has the effect of driving away the wind and removing the surface. Hakka area and Garen town's ring tea on also add Changpu, Cangzhu, all have a very good dehumidification effect.
The Hakka people live in mountainous areas, where there is a lot of miasma and dampness, and the tea is a life-prolonging drink created by the Hakka people to adapt to the local environment.