Device and method for assisting child bicycle in keeping balance

The invention provides a device and method for assisting a child bicycle in keeping balance, and belongs to the technical field of child bicycles. The child bicycle solves the problem that an existing child bicycle with an auxiliary wheel is insufficient in transverse constraining force in the process of helping a child to learn riding, and comprises a balancing device installed on the child bicycle, the balancing device comprises a rotating part and a balancing part, the balancing part comprises a fixing plate, and a first motor is fixed to the fixing plate; the rotating part comprises a connecting plate, a second motor is fixed to the connecting plate, and a disc is connected to an output shaft of the second motor; an output shaft of the first motor is connected with the connecting plate; an output shaft of the first motor is perpendicular to an output shaft of the second motor; a control circuit board and a gyroscope are further arranged on the fixing plate, a microcontroller is integrated on the control c