The utility model discloses an authenticate device based on biometric feature recognition, the device is including host computer system and biological characteristics collection equipment to and authenticate device, the authenticate device includes security chip, host computer USB interface and biological characteristics collection equipment USB interface, host computer USB interface and biological characteristics collection equipment USB interface connect respectively in security chip. The utility model discloses the device adopts double -H groove weld SB interface design, utilizes one of them USB interface can insert the host computer, utilizes another USB interface connection biological characteristics collection equipment, has saved the USB interface resource of host computer, and adopt security chip, and test through the signature with the host computer system and sign and the encryption and decryption technology, realize safety certificate and protection to the biometric feature recognition algorithm, the chip still has safety measure such as preventing copy, safety certificate rank height simultaneously.