The invention relates to a handmade soap capable of whitening and shrinking pores as well as a preparation method thereof. The handmade soap comprises the following components in parts by weight: 15-20 parts of a clear soap base, 8-10 parts of tea-seed oil, 6-7 parts of palm oil, 4-6 parts of rice oil, 3-5 parts of avocado oil, 4-8 parts of grape seed oil, 2-3 parts of jojoba oil, 30-35 parts of NaOH, 5-8 parts of a green tea extract, 3-4 parts of bamboo charcoal, 5-6 parts of enzymes, 3-4 parts of a saponin extract, 2-4 parts of a cucumber extract, 1-3 parts of a Fargesia dracocephala extract, 1-1.5 parts of propolis, 1-2 parts of an orchid extract, 1-2 parts of a ginkgo extract, 1.5-2 parts of crude salt, 1.5-2.5 parts of vitamin E, 1.5-2 parts of an aloe extract, 4-5 parts of bees wax, 1-2 parts of geranium essential oil, 5-9 parts of Butyrospermum parkiii, 7-8 parts of soya lecithin, 2-3 parts of wheat germ oil, and 27-35 parts of deionized water. After grease and a NaOH solution are reacted, other components are added, and steps of molding, demoulding, drying in air and cutting soap are carried out. The handmade soap is pure natural, and has no irritation on skin, foams are fine and abundant, pores shrinking effect can be enhanced, the handmade soap has the effects for moistening and whitening, keeping moisture and supplementing water, fining skin, and resisting aging, and the preparation method is simple.