The utility model relates to a decomposable soil moisture regulating film.The system comprises: a thin film,The film is a film with a certain degree of ductility.The mulch is a kind of biodegradable organic material and nano plant fiber.A plurality of slits are arranged on the film of the film.Each opening can be arranged in a regular array.The array mode mentioned above can be square array.Staggered array or surround array,The above opening line can be a cut line.A rectangular opening or a polygonal opening,The opening can be made properly according to one of the humidity conditions to be adjusted in the use environment.In order to achieve decomposition, non-toxic and harmless, regulate the moisture and moisture of agricultural soil, and prevent pests in the soil from eating crops.一種可分解土壤濕度調節地膜，係包含有：一薄膜，前述薄膜之地膜為具有一定程度延展性的地膜，地膜為可分解有機生質材料及奈米級植物纖維之地膜，前述地膜之薄膜上設具複數個開線，每一個開線得以規則之陣列方式排列，前述陣列方式可為方型式陣列、交錯式陣列或環繞式陣列，前述開線可為一劃破之線、一長方形開口或一多邊形開口，前述開線可依據使用環境中欲調節之濕度狀態所為之一配合需求適當開口。以之達到可分解、無毒無害，調節農地土壤濕度與保濕，及預防土壤內活動之害蟲啃食作物功效者。
