Abstract: A laser therapeutic apparatus having an oscillator for generating a laser beam, a condenser lens for condensing the laser beam radiated from the oscillator, a plurality of optical fiber cables for guiding the condensed laser beam, and a probe connected to the distal end of each of the optical fiber cables to apply the laser beam to an affected part of a human body. The probe may be detachably connected to the distal end of the optical fiber through an optical connector. A plurality of optical fibers may have their respective laser beam emergent ends dispersedly disposed over the distal end portion of a probe casing constituting the probe. There may be prepared detachable cap-shaped attachments having various sizes which are conformable with various affected parts of patients, and a selected one of the attachments may be attached to the distal end portion of the probe casing. Thus, it is possible to carry out laser therapy efficiently and effectively.