The invention discloses a shampoo with the function of maintaining hair follicles of the scalp and a preparing method thereof, and belongs to the field of shampoos. The shampoo with the function of maintaining the hair follicles of the scalp is prepared from, by mass, 10-20 parts of radix plygoni multiflori, 5-13 parts of semen sesami nigrum, 5-10 parts of crocus sativus, 3-8 parts of dry ginger,40-50 parts of a surfactant, 1-5 parts of xanthan gum, 0.05-2 parts of phenoxyethanol, 3-7 parts of ricinoleamidopropyltrimonium chloride, 5-15 parts of a pH regulator and 50-70 parts of deionized water. The shampoo has a good effect of promoting blood circulation and removing stasis, proliferation and repairing of epidermis cells can be promoted, and the hair follicles of the scalp are maintained; meanwhile, through the arrangement of three areas including the area A, the area B and the area C for displaying the Chinese words of 'next step' on a thermochromic cover at the outer end of a waterbath pot, preparing personnel are conveniently reminded to carry out next step of preparing operation; moreover, by displaying the names corresponding to all components which need to be added in nextstep, operation mistakes of mixed adding are unlikely to occur in the preparing process.