Liftable rail transit train seat with USB charging function

The utility model discloses a liftable rail transit train seat with a USB charging function, which comprises an elastic seat cushion and a backrest seat cushion, two sides of the elastic seat cushion are respectively provided with a movable clamping frame, one end of each movable clamping frame is provided with a movable pin, and one side of the backrest seat cushion is provided with a right hand hydraulic control support frame. According to the liftable rail transit train seat with the USB charging function, the movable clamping frame, the USB plug, the lateral sliding groove and the right hand hydraulic control supporting frame are arranged, the inclination angle of the backrest seat cushion can be adjusted through the movable clamping frame, electronic products such as mobile phones and computers of passengers can be charged more conveniently, and the practicability is high. The height of the left armrest supporting frame and the height of the right armrest supporting frame can be changed, the seat can be