A kind of rain shade improvement of crop growth facilities,Include: a frame body,Spatially shape,With a left frame portion and a right shelf portion; One first rope part,If the leading portion of the what frame body,On front side of the left frame portion of the fixed what in its left end,Right end is then on front side of fixed what right shelf portion; One second rope part,If the Hou section of the what frame body,The left frame portion Hou side of the fixed what in its left end,Right end then fixed what right shelf portion Hou side; One plastic cement paulin,Its preceding Hou edge is pivoted respectively on what the first rope part and the second rope part,The fixed what right shelf portion of the right border of the paulin; One first matte,System is made with light-proof material,The right border of the fixed what paulin of its apical margin; And one second matte,It also is to be made with light-proof material,The left border of the fixed what paulin of its apical margin.一種作物栽培設施之遮雨蓬改良,包括有:一架體,呈立體狀,具有一左架部與一右架部;一第一索件,設於該架體之前段,其左端固設於左架部前側,右端則固設於右架部前側;一第二索件,設於該架體之後段,其左端固設於左架部後側,右端則固設於右架部後側;一塑膠製蓬布,其前後緣分別樞設於第一索件與第二索件上,該蓬布之右緣固定於右架部;一第一遮片,係以不透光材料製成,其頂緣固設於蓬布之右緣;以及一第二遮片,亦係以不透光材料製成,其頂緣固設於蓬布之左緣。