A personal wearable headband having far infrared and temperature measurement functions includes a headband body defining a headband receiving space and having a plurality of far infrared particles blended in the headband body, a window communicating with the headband receiving space, and a through hole communicating with the headband receiving space and opposite to the window. A temperature measuring unit is disposed in the headband receiving space and includes a temperature measuring element configured to contact the forehead of a user for detecting a temperature thereof, and a display screen corresponding in position to the window and configured to display the temperature detected by the temperature measuring element.