To provide a laser length measuring machine allowing a person who measures length to search a position to be searched simply by inputting a distance up to the position to be searched into the length measuring machine in advance and informing auditory and/or visual way by a buzzer when the distance is measured and providing excellent convenience in use.

This laser length measuring machine measuring a distance up to an object is provided with a setting means 5 setting a predetermined distance in advance, a control means 1 detecting that the distance measured by the laser length measuring machine becomes the predetermined distance set by the setting means 5, and an informing means 6 informing that the distance becomes the predetermined distance based on the detection of the control means 1.