A method for testing a biometric recognition device, comprising: obtaining a target simulated component for testing performance of a biometric characteristic recognition device from simulated components that comprise biometric characteristics, wherein the simulated components are constructed based on biometric characteristics of a predetermined body part of a target user; controlling, based on a camera component arranged on a mechanical arm in a target test environment with test parameters, the mechanical arm to respectively input biometric characteristic information of the target simulated component to the biometric characteristic recognition device, wherein the test parameters comprise a light parameter in the target test environment, a pressing force parameter, and a pressing angle parameter of the mechanical arm for the target simulated component, wherein the same test parameters are used to ensure consistency of the target test environment during recognition of the target simulated component by biometric characteristic recognition devices, and wherein the camera component arranged on the mechanical arm obtains image information of the target simulated component and transmits the image information to an image processing system, the image processing system converts the image information into digital information, extracts characteristics of the target simulated component, and controls the mechanical arm to input the biometric characteristic information of the target simulated component to the biometric characteristic recognition device; and obtaining a recognition result obtained by the biometric characteristic recognition device by recognizing the biometric characteristic information of the target simulated component based on predetermined reference biometric characteristic information, and determining a performance test result of the biometric characteristic recognition device based on the recognition result. obtaining a target simulated component for testing performance of a biometric characteristic recognition device from simulated components that comprise biometric characteristics, wherein the simulated components are constructed based on biometric characteristics of a predetermined body part of a target user; controlling, based on a camera component arranged on a mechanical arm in a target test environment with test parameters, the mechanical arm to respectively input biometric characteristic information of the target simulated component to the biometric characteristic recognition device, wherein the test parameters comprise a light parameter in the target test environment, a pressing force parameter, and a pressing angle parameter of the mechanical arm for the target simulated component, wherein the same test parameters are used to ensure consistency of the target test environment during recognition of the target simulated component by biometric characteristic recognition devices, and wherein the camera component arranged on the mechanical arm obtains image information of the target simulated component and transmits the image information to an image processing system, the image processing system converts the image information into digital information, extracts characteristics of the target simulated component, and controls the mechanical arm to input the biometric characteristic information of the target simulated component to the biometric characteristic recognition device; and obtaining a recognition result obtained by the biometric characteristic recognition device by recognizing the biometric characteristic information of the target simulated component based on predetermined reference biometric characteristic information, and determining a performance test result of the biometric characteristic recognition device based on the recognition result.