To provide an optical light source body solar lamp capable of achieving a high commodity value and gracefulness in appearance by obviating the need of power cost and a power distribution facility by using a solar cell, enhancing light emission luminance, and continuously adjusting light emitted from a light emitter.

This optical light source body solar lamp is characterized by including a base part having a solar cell device, a shaped body detachably attached to the base part, and the light emitter housed in the shaped body, and emitting light by the solar cell device. The shaped body is formed of a translucent or semi-translucent material. In addition, the solar cell device has a variable AC voltage controller continuously adjusting input voltage.