In the coal mining process, mine firedamp explosions are always dangerous occurrences for workers and mining equipments. Therefore, increasing the safety level in mining operations often be paid much attention to. So far, the 24 methane gas monitoring systems have been installed at 20 underground coal mines in Quang Ninh coal basin and all of them are working successfully. The authors introduced the development program for the underground coal mine firedamp monitoring systems in the near future.