Mugwort is effective in the treatment of eczema, but for types belonging to hypertrophic chronic eczema, such as chronic rashes with deepened furrows, elevated skin crests and moss-like changes. In the treatment, it can be combined with other herbal treatments, such as angelica, shouwu vine, chicken blood vine, penetrating herb, soapberry, white fresh skin together, decoction of water wet compress or decoction of water external wash twice a day. It can be combined with glucocorticoid ointment, such as hydrocortisone butyrate ointment, dinaide ointment, fluticasone propionate ointment, or non-steroidal anti-inflammatory ointment, such as butyl hydroxyacid ointment, butyl flufenamic acid ointment, Chinese herbal ointment or dandruff ointment, etc.