The utility model discloses a portable electric wire netting foreign matter laser clearing device, including radio frequency carbon dioxide laser generating device, install at radio frequency carbon dioxide laser generating device's the sighting device dismantled, turn to device, portable telescoping shoring column and power, radio frequency carbon dioxide laser generating device sends the laser beam by mains operated, provides the support by portable telescoping shoring column, can dismantle inside light path optical axis of sighting device and the inside light path optical axis parallel syntropy of radio frequency carbon dioxide laser generating device for long -range observation and aiming, it connects between radio frequency carbon dioxide laser generating device and portable telescoping shoring column to turn to device detachably for the direction of control radio frequency carbon dioxide laser generating device laser beam. The utility model discloses can carry on the overhead transmission line foreign matter of all grades of complex region such as mountain range long -rangely cleaing away fast, can long -range, live working, need not high altitude high -pressure operation, clear away efficiently.