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In order to improve the security of the traditional car and perfect, a new type of door lock control method for automobile door is presented, which jointed the vehicle LIN bus network and the fingerprint recognition technology to control the door lock. Data communication achieved by the ST792F150JDV1QC as the main control node microcontroller, the ST2124J as the slave node controller for realize the communication function of LIN network and the control of the gateway. The method’s fingerprint identification section based on Gabor filter, fingerprint image is carried out using eight channels of Gabor filter, to extract the fingerprint features of the fingerprint image The fingerprint feature is matched with the Euclidean distance method in fingerprint verification. The matching result is received from the node controller serial port by LIN, converted into LIN frame format, transfered to bus, master node controller received and analyzed to send command to realize the door lock switch. To built and test the system, experimental results show that the method can effectively control the switch control of the car door lock by means of fingerprint, the feasibility of the proposed method is verified.