Resin tail door and automobile

The resin tail door comprises an inner plate and a spoiler, an annular supporting part is arranged at the upper end of the inner plate, the spoiler comprises an upper plate body and a lower plate body, the upper plate body is connected with the annular supporting part, and the lower plate body is connected with the upper plate body in a clamped mode. The invention further discloses an automobile applying the resin tail door. The structure has the advantages of being high in structural strength, stable in installation, good in sealing performance, large in modeling freedom degree and the like. 本申请公开了一种树脂尾门，包括内板和扰流板，所述内板的上端设有环形支撑部，所述扰流板包括上板体和下板体，所述上板体与所述环形支撑部连接，所述下板体与所述上板体卡接。本申请还公开了一种应用树脂尾门的汽车。本申请具有结构强度高、安装稳定、密封性能好以及造型自由度大等优点。