PROBLEM TO BE SOLVED: To provide a pharmaceutical composition having good storage stability and skin absorbability, low skin irritation and easy to apply. SOLUTION: An oily external liquid containing a therapeutic agent for skin diseases, an oily solvent that dissolves the therapeutic agent for skin diseases, liquid paraffin, and a surfactant, and substantially containing no water. [Selection diagram] None【課題】保存安定性、皮膚吸収性が良好であり、皮膚刺激性が低く、塗布しやすい医薬組成物を提供する。【解決手段】皮膚疾患治療薬と、前記皮膚疾患治療薬を溶解する油性溶媒と、流動パラフィンと、界面活性剤と、を含有し、実質的に水を含有しない、油性外用液。【選択図】なし