The invention provides an intelligent braking control system of a pure electric passenger car and a control method of the intelligent braking control system. The braking control system comprises wheel speed sensors, an accelerating pedal device, accelerating pedal sensors, a braking pedal device, braking pedal sensors, a motor braking system, a pneumatic braking system and a controller VCU, wherein the pneumatic braking system comprises an air braking assembly, a conventional travelling braking air channel, a driving anti-skid braking air channel and a parking braking air channel, wherein the air braking assembly is formed by an air compressor, an unloading valve and a four-circuit protection valve which are sequentially connected; the control method of the braking control system comprises a conventional braking control method, an ABS control method and a driving anti-skid control method, and a corresponding braking strategy is selected according to the braking strength Z and a battery SOC situation. According to the intelligent braking control system and the control method thereof disclosed by the invention, under the premise that the braking safety is guaranteed, the braking energy recovering rate is improved.