The invention relates to a simple bending machine of a connector terminal. The simple bending machine comprises a base, a clamping slide block, a bending slide block, a first air cylinder and a second air cylinder, wherein a chute vertical to the upper surface of the base is formed in the side edge of the base, the surface, parallel to the side edge of the base, in the chute is a first extruding surface, the first extruding surface is provided with an inner cavity attached to the side surface of a connector base, the clamping slide block is glidingly arranged in the chute, an extending end of a piston rod of the first air cylinder is fixedly connected with one end of the clamping slide block, the side edge of the clamping slide block is provided with a second extruding surface corresponding to the first extruding surface, the second extruding surface is provided with an inner cavity pasted with the side surface of the connector, the bending slide block is glidingly arranged on the upper surface of the clamping slide block, and the extending end of a piston rod of the second air cylinder is fixedly connected with one end of the bending slide block. The bending machine has the advantages that the structure is simple, the manufacturing cost is low, and the use is flexible and convenient.