<;P>;PROBLEM TO BE SOLVED: To provide a film drug product for repelling that forms a film on the skin for preventing a mosquito from coming close, landing on the skin and biting even if it lands on the skin. <;P>;SOLUTION: Nitrocellulose is dissolved in a mixture of acetone and 3-methylbutyl acetate or isobutyl acetate and added with ethyl alcohol as a solubilizer to form a base. The base is added with castor oil and dimethyl silicone oil and as necessary a repelling component, a component for enhancing softness and strength, a moisturizer and the like. The base is applied to the skin and then forms a transparent or translucent film on the applied part of the skin with the solubilizer vaporized. <;P>;COPYRIGHT: (C)2009,JPO&INPIT