To provide a sheet-type external composition for therapy of dermatitis capable of reducing the stimulation to a supersensitive affected part and imparting a skin care property.SOLUTION: There is provided a sheet-type external composition for therapy of dermatitis obtained by carrying a composition containing the following (A) to (B) and containing no lower alcohol on a sheet material, wherein the content of (B) in 100 mass% of the composition is 0.01 to 0.5 mass%: (A) a water-soluble active ingredient and (B) a copolymer having a weight average molecular weight of 50000 to 1000000 of 70 to 90 mol% of 2-methacryloyloxy ethyl phosphorylcholine and 30 to 10 mol% of butyl methacrylate.SELECTED DRAWING: None【課題】過敏な患部への刺激を少なくし、かつスキンケア性を付与できる皮膚炎治療用シート型外用組成物を提供する。【解決手段】シート素材に、下記の（Ａ）及び（Ｂ）を含み、低級アルコールを含まないことを特徴とする組成物を担持してなり、前記組成物１００質量％中の（Ｂ）の含有量が０．０１～０．５質量％である皮膚炎治療用シート型外用組成物。（Ａ）水溶性有効成分（Ｂ）２－メタクリロイルオキシエチルホスホリルコリン７０～９０モル％とメタクリル酸ブチル３０～１０モル％との重量平均分子量５０，０００～１，０００，０００の共重合体【選択図】なし
