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This paper introduces a new control method for wheelchair motion control based on BCI, studies a portable brain-computer interface paradigm, and builds a portable brain-computer wheelchair control system for common wheelchairs.The system controlled by single-chip microcomputer, according to the characteristics of eeg signals, the selection of Emotiv EPOC of company wireless portable electrical brain all acquisition radio signals, use ArduinoUNO board as the microprocessor, realize the eeg data processing, the integration of two brushless motor brake execute commands, adopting ZD6716V3 brushless motor controller, and each of the motor, there is a hall sensor, provide feedback signals from the speed of the motor, to know exactly the speed of each motor, then the two motor integrated in a wheelchair on the rear wheels, realize the wheelchair control speed and direction.In addition, experimental research has been carried out, including the control mode experiment based on eeg recognition rate, the brain control experiment based on dolly and the brain control experiment based on wheelchair.The experimental results show that the accuracy of eeg can reach 83%, which can meet the practical needs.