To provide a portable electromotive cutting tool enabling a worker to clearly see an Indian ink line showing a cutting position even in a work environment containing dust or the like in large quantities to perform accurate work.

In the portable electromotive cutting tool having an edge part of which the saw blade 4 comes into contact with a material to be cut and an illuminator for illuminating the leading end part of a base 2, the illuminator comprises first and second light emitting diodes for illuminating the edge part of which the saw blade comes into contact with the material to be cut, third and fourth light emitting diodes L1 and L2 for illuminating the leading end part of the base, an electronic circuit part for feeding power to the respective light emitting diodes and a switch for cutting off the supply of power. The whole of the illuminator is arranged in the space of the electromotive cutting tool body between the surface of the saw blade and the extension surface of a handle part.