Multi-functional sports sunglasses mainly in addition to the general function of sunglasses, but also contains the measurement of the ambient temperature of the movement environment, the user's body temperature and record and send the user's movement time. Receiving the ambient temperature, body temperature and movement time and other signals, and all the threshold of the signals compare to produce control signals; and display unit. Connect to the processing unit to display various messages according to the control signal. This product is suitable for long time outdoor sports players to use in a timely manner to prevent the heat caused by dehydration and heat stroke occurs.