The invention discloses a probiotic aloe facial mask and a preparation method and belongs to the field of facial masks. The probiotic aloe facial mask comprises 20-40 parts of an aloe vera stock solution, 5-10 parts of probiotic powder, 10-15 parts of egg white, 20-30 parts of soluble starch, 6-9 parts of sodium alginate, 0.1-0.4 part of ethyl malt meal, 3-5 parts of glycerin, 8-10 parts of hydroxyethyl cellulose and 5-10 parts of orange peel powder. The preparation method of the probiotic aloe facial mask comprises the following steps of preparing the aloe vera stock solution, preparing the orange peel powder, obtaining the egg white, mixing the raw materials, adding the probiotic powder, taking out the prepared probiotic aloe facial mask, adding water and adjusting the facial mask into paste. By adding the aloe vera stock solution, the egg white and the orange peel powder in the process of mixing the raw materials, the viscosity of the facial mask is improved, and the facial mask iseasy to apply. At the same time, the facial mask tends to be weakly acidic, the quantity of probiotics is increased, the activity of the probiotics is improved, the absorption of nutrients in the facial mask by the facial skin is better facilitated, the antibacterial effect is better, and the whitening effect is more remarkable.