Medical vein observing lamp and control method thereof

The invention discloses a medical vein observing lamp. The medical vein observing lamp comprises a shell, a light resistant plate, a power module, a singlechip module, a push type switch and LED (light emitting diode) lamps, wherein a signal output end of the push type switch is connected with a signal input end of the singlechip module; the power module is connected with a power control input end of the singlechip module; a power control output end of the singlechip module is connected with the LED lamps; the shell is provided with a mounting hole which is connected with the light resistant plate in an inlaid manner; the power module, the singlechip module, the push type switch and the LED lamps are arranged in the shell; light exiting holes are formed in the light resistant plate; the LED lamps are correspondingly arranged at the light exiting holes in the inner surface of the light resistant plate; a push surface of the push type switch corresponds to the inner surface of the light resistant plate; and a c