The invention discloses a preparation method of ointment for treating eczema. The preparation method comprises the following steps: respectively weighing
cardiospermum halicacabum L,
rhododendron dauricum, radix sophorae flavescentis,
flos chrysanthemi indici and
menthol, soaking the
cardiospermum halicacabum L,
rhododendron dauricum, radix sophorae flavescentis,
flos chrysanthemi indici and
menthol with deionized water, decocting with
slow fire after boiling with strong fire, filtering
medicine residues to obtain an extracted
medicine liquid, heating the extracted
medicine liquid and concentrating to be viscous to obtain the concentrated medicine liquid; sequentially adding an
antioxidant, an emulsifier, an emollient, a
humectant, a co-emulsifier, a thickener, a
preservative and a
preservative synergist into the concentrated medicine liquid, adding the deionized water, stirring the materials, and uniformly mixing the materials to obtain the ointment for treating eczema. The ointmentdisclosed by the invention contains various moisturizing components, and can maintain
moisture in
skin tissues, improve the water shortage state of the
skin and moisten the
skin tissues; the
skin injury is effectively repaired, the skin resistance and
skin elasticity are enhanced, and the skin is protected.