The invention provides a mixing liquid of Chinese herbal medicine mask powder. The mixing liquid comprises following components in parts by weight: 40-70 parts of deionized water, 10-20 parts of butanediol, 3-5 parts of polyaminopropyl biguanide stearate, 5-10 parts of chrysanthemum extract, 5-10 parts of lonicera chrysantha flower extract, 2-6 parts of 1,2-hexanediol, 5-9 parts of PEG-40 hydrogenated castor oil and 3-7 parts of borneol. The invention further provides a preparation method of the mixing liquid of the Chinese herbal medicine mask powder. The mixing liquid of the Chinese herbal medicine mask powder can brighten and refresh the skin, can moisten and tighten the skin, has a synergistic inhibition effect on pigment, has a remarkable spot removing effect and high safety and is free of toxic and side effects; and the mixing liquid has an obvious anti-yellowing effect, can tighten pores to enable the skin to be finer and smoother, removes fine wrinkles of face, improves photoaging and brightens the complexion, and therefore, the skin is fresh and bright, the corium layer is directly replenished with rich moisture and the skin is moist and elastic.