The invention discloses a two-wheeled pedal type electric bicycle with an insert connection child seat.The two-wheeled pedal type electric bicycle comprises a bicycle body (1), a bicycle seat (2) and a child auxiliary seat (3).The bicycle body below the front of the bicycle seat is provided with a vertical auxiliary seat bin (12), and the auxiliary seat bin comprises a bin door which is opened or closed up and down.The child auxiliary seat is hinged to the front end of the bicycle seat and comprises a seat plate (31), a longitudinal beam (32), a telescopic supporting beam (33) and a hinged lug base (34).The longitudinal beam is of a groove steel structure arranged downwards and is fixedly installed on the bottom plane of the seat plate.The telescopic supporting beam is of a rod-shaped structure matched with the size of the inner wall of a tubular structure of the longitudinal beam and is in connected into the longitudinal beam in an inserted mode.The hinged lug base is fixedly installed at the rear end of the longitudinal beam.A hasp (11) matched with a hasp mechanism of a hinged supporting beam is arranged at the position of the inner side of a bicycle head above a pedal of the bicycle body.The pedal type electric bicycle is provided with the child auxiliary seat, no extra space is occupied, children can ride on the electric bicycle conveniently, and a driver can get on or off the electric bicycle conveniently.