A door for an air conditioner of a vehicle is provided to improve sealing performance with a linear-shaped rubber member by molding a rubber member and forming an inclined part on an end of a plate. A door(100) for an air conditioner of a vehicle includes a rotary shaft(110), a plate(120), and a rubber member(130). The rotary shaft is installed at an inner side of an air conditioner case. The plate is formed on an outer circumference of the rotary shaft. The plate adjusts a delivery rate of a flow path formed on the air conditioner case. The plate includes an inclined part(125) formed with a fixed angel. The rubber member is injected to an end of the inclined part with an injection process.
