Using the Laser diode with l = 808nm and 4W power to pump the Cr4+:Nd3+:YAG microchip, the self Q-switched laser pulses are obtained. In the case of CW pumping the output laser is pulsed with the repetition rate of 10KHz and pulse width of 40ns. In the case of pulsed pumping the output laser serial with several sub-pulses is obtained. Using a certain base current adding on the rectangular pulsed pump current the stable single pulse is obtained.