Jujube is sweet and has the functions of tonifying the middle energizer, benefiting qi, nourishing blood and calming the nerves. Ginger is pungent and has the functions of stopping vomiting, relieving exterior syndrome and dispelling cold. The combination of the two can give full play to the significance of warming ginger and nourishing jujube, promote blood circulation, improve blood circulation of the whole body accordingly, and naturally warm hands and feet.