To provide an agricultural light-shading sheet capable of obtaining a high light-shading property, also excellent in heat insulation and durability, and suitable for a sunshade, curtain in a green house, etc., in agricultural fields.

This light-shading sheet is provided by consisting of a double structural sheet material obtained by overlapping a light reflecting cloth-formed material A constituted mainly of a striata material made of a thermoplastic resin and imparted with light-reflecting property by monoaxially stretching with a light-absorbing cloth-formed material B constituted mainly of a striata material made of the thermoplastic resin and imparted with light-absorbing property by monoaxially stretching, and knitting/weaving the light-reflecting cloth-formed material A and light-absorbing cloth-formed material B partially as one unit for forming and joining a multiple number of belt state joined parts 3 in parallel leaving space.