Sewing auxiliary device and sewing machine

The utility model provides a sewing auxiliary device and a sewing machine. The sewing device comprises a material pressing mechanism, a material pressing moving mechanism and an auxiliary pressure applying mechanism. The material pressing mechanism comprises a material pressing plate and a material pressing driving part, the material pressing driving part is used for driving the material pressing plate to conduct downward pressing action, a sewing channel penetrating through the two opposite side surfaces of the material pressing plate is formed in the material pressing plate, the material pressing moving mechanism is used for driving the material pressing plate to horizontally move, and the auxiliary pressure applying mechanism comprises a pressure applying part and a pressure applying driving part; and the pressure applying driving piece is used for driving the pressure applying piece to apply pressure to the pressure plate. 本公开提供了一种车缝辅助装置和衣车。该车缝装置包括：压料机构、压料移动机构和辅助施压机构；压料机构包括压料板和压料驱动件，压料驱动件用于驱动压料板进行下压动作，压料板