To provide a water-soluble film for use in agricultural chemical packaging that offers improved water-solubility and excellent rupture properties. A water-soluble film for agricultural chemical packaging, composed of a resin composition having a polyvinyl alcohol resin (A) and an acetylene glycol-based surfactant (B) as essential components.本發明提供水溶性改善、破袋強度優異之農藥包裝用水溶性膜。一種農藥包裝用水溶性膜,由以聚乙烯醇系樹脂(A)及炔二醇(acetylene glycol)系界面活性劑(B)作為必要成分之樹脂組成物構成。