The utility model discloses a 500 kilovolt compact transmission line changes conventional transmission line transition strain insulator tower, including the body of the tower, interior angle side ground wire T type cross arm, exterior angle side ground wire cross arm, photogenic interior angle side wire cross arm, photogenic exterior angle side wire T type cross arm are hung a little in the body of the tower mutually, well looks wire jumper T type cross arm, the three -phase wire is from last to be ground wire, both sides looks wire and well looks wire down in proper order, photogenic interior angle side wire passes through the strain insulator -string to be installed in the both sides of interior angle side wire cross arm, puts through both sides wire, wire jumper installation interior angle side ground wire T type cross arm end through the wire jumper, photogenic exterior angle side wire passes through the strain insulator -string to be installed in the both sides of exterior angle side wire cross arm, puts through both sides wire, wire jumper installation exterior angle side wire T type cross arm end through the wire jumper, well looks wire strain insulator -string is installed and is inclined at the body of the tower interior angle to put through the both sides wire with the wire jumper, the wire jumper is installed in well looks wire jumper T type cross arm end. The utility model discloses a single time 500 kilovolts of compact transmission line are to conventional transmission line's transition, and the mode of connection is simple.