The utility model relates to a wearable indicator for sulfur hexafluoride leakage. The indicator comprises a wearable devise and an indicator connected to the wearable device. The wearable indicator for sulfur hexafluoride leakage is characterized in that the indicator comprises a power module, a sulfur hexafluoride sensor, an oxygen sensor, a main control module and an indicating module, wherein the power module provides power source for other modules, output ends of the sulfur hexafluoride sensor and the oxygen sensor are connected with a data input end of the main control module, and the indicating module is connected with a data output end of the main control module. The wearable indicator disclosed by the utility model collects sulfur hexafluoride content and oxygen content of environment around working staffs through the sulfur hexafluoride sensor and the oxygen sensor, and sends data to the main control module which sends indicating information to the indicating module for performing indication. The wearable indicator disclosed by the utility model has the advantages of simple structure and compact volume and is wearable, individual protection is realized, effective prevention of occupational injury can be achieved, and health of labor is ensured.