The invention discloses white hair blackening, hair nourishing and caring, hair loss preventing and hair growing essence and a preparation method thereof. The essence comprises the following components in parts by weight: 20 to 35 parts of a radix polygoni multiflori preparata extract, 22 to 30 parts of a semen cuscutae extract, 20 to 26 parts of a prepared rehmannia root extract, 11 to 19 parts of a radix angelicae sinensis extract, 13 to 20 parts of a szechuan lovage rhizome extract, 16 to 22 parts of a papaya extract, 14 to 25 parts of a notopterygium root extract, 20 to 28 parts of a ginseng root extract, 10 to 20 parts of a radix salviae miltiorrhizae extract, 12 to 24 parts of a cinnamon bark extract, 16 to 26 parts of an althaea officinalis extract, 12-22 parts of a coptis chinensisextract, 13-25 parts of a liquorice root extract, 10-22 parts of a pseudo-ginseng extract, 11-19 parts of a frankincense extract, 13-20 parts of an agilawood extract, 10-23 parts of a purslane extract, 8-15 parts of a cacumen platycladi extract, 7-16 parts of a gleditsia sinensis seed extract and 80-90 parts of a shampoo matrix. By stimulating scalp and hair root growth cells and activating hairgrowth micro-blood circulation, enough nutrients are provided for scalp hair follicles, healthy growth of hair is promoted, and the problems of hair loss, less hair, yellow and white hair, poor hair quality and the like can be effectively solved.