The invention relates to a pharmaceutical composition and a preparation for treating children eczema, and a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicines. The pharmaceutical composition for treating children eczema is prepared from rhizoma smilacis glabrae, fructus kochiae, cortex phellodendri, radix sophorae flavescentis and dried
alum, and has the effects of tonifying
spleen, removing dampness, clearing away heat and toxic materials, dispelling wind and arresting
itching; the rhizoma smilacis glabrae is a monarch
drug for clearing away heat and toxic materials The fructus kochiae has the effects of clearing heat, promoting
diuresis, dispelling wind and arresting
itching, the cortex phellodendri has the effects of purging fire, removing steam, detoxifying and treating sores, and the radix sophorae flavescentis has the effects of clearing heat,
drying dampness and killing parasites to relieve
itching; dried
alum is used for astringing dampness and relieving itching. Compared with the existing
medicine for treating infantile eczema, the
medicine composition disclosed by the invention is good in
treatment effect, simple in preparation process and convenient to carry and use; and side effects caused by the use of chemicals can be avoided.