The invention relates to the technical field of scalp care, in particular to scalp care essential oil, which is prepared from the following raw materials in parts by weight: 20 to 40 parts of tea treeseeds, 15 to 35 parts of lavender, 15 to 35 parts of sweet basil herb, 20 to 40 parts of rhizoma curcumae longae, 10 to 30 parts of semen sesami nigrum, 15 to 25 parts of radix polygoni multiflori ,10 to 25 parts of ginseng, and 10 to 20 parts of rosemary. The invention also provides a preparation process of the scalp care essential oi. The scalp care essential oil can be used for effectively caring scalp, and adopts plants and traditional Chinese medicines as the raw materials so as to have the effects on minimizing pores, promoting cell regeneration, promoting blood circulation, and conditioning oily scalp, so that the harm on the scalp caused by a traditional chemical shampoo is reduced, and the scalp is protected.