discusses the characteristics of laser radiation and the types of lasers used for stimulation. Technical Parameters of pulsed lasers and laser continuous operation, including a comparison of the radiation pulse energy dependency and continued with the same average power and frequency. Discussed the phase response of the body to laser radiation and do practical how to select and specify the parameters of the operation. This section gives a laser therapy is associated with the magnetic field and the mechanism of the interaction of magnetic and laser tissue. Given indications and contraindications of laser therapy.