The invention discloses a tuber fleeceflower root hair blackening formula, which comprises the following Chinese medicinal compositions in part by weight: 1 to 40 parts of tuber fleeceflower root, 1 to 40 parts of black sesame, 1 to 40 parts of rhizoma drynariae, 1 to 40 parts of yerbadetajo herba ecliptae, 1 to 30 parts of glossy privet fruit, 1 to 30 parts of south dodder seed, 1 to 30 parts ofprunella spike, 1 to 30 parts of hiraute shiny bugleweed herb, 1 to 30 parts of mint, 1 to 30 parts of szechuan lovage rhizome and 1 to 30 parts of dried ginger. Two external formulations such as a lotion and a liniment/tincture can be prepared by adding a certain amount of water into the tuber fleeceflower root hair blackening formula or extracting with ethanol. Through the pathogenic wind dispersing, tonifying and blood circulation invigorating effects of the tuber fleeceflower root hair blackening formula, the activity of tyrosinase in hair follicles is enhanced, the synthesis of melanin is promoted for blackening hair and poliosis is improved. A plurality of raw materials are used together, so that blood circulation of scalp is promoted, the scalp, hair and hair follicle obtain sufficient nutrition, the regeneration of hair melanin cells is promoted, and white hairs becomes black from roots. Moreover, the tuber fleeceflower root hair blackening formula has the effects of removing scurf, stopping itching in head, washing hair and protecting hair.