Abstract: Objective Based on the TGAM PCB module, a system of emotion control using audio-visual feedback is designed. Methods TGAM collects EEG information through the electrode in contact with the forehead skin. The system analyzes the user's emotion through the STM32F103ZET6 of the main control chip, and finally controls the control end of the system to regulate the user's emotion. Results It can be seen from the test results that the system can precisely recognize the user's emotions, and at the same time effectively adjust the user's emotions from both audio-visual aspects. Conclusion The system has high recognition accuracy and good adjustment effect.