An emotional based interaction device and method are provided. The emotional based interaction device detects at least one physiological parameter of a user, and turns on a light with a corresponding color according to the detected physiological parameter. Thus, other users can know an emotion of the user according to the color of the light, and communicate with the user based on the emotion of the user.本發明提供一種情緒交互裝置和情緒交互方法，藉由偵測用戶的生理參數來控制不同顏色的指示燈開啟，使得使用者之間可以根據指示燈的顏色瞭解彼此的情緒，從而可以根據彼此此時的情緒進行溝通。
