Abstract: A projection lamp includes a lampshade, a luminous portion and a power-conductive member. The feature is that a solid block member made of insulating material and arc-shaped (semicircular, oval or round) is fitted on a luminous portion inside a lamp shade, and this block member is installed with a plurality of light emitting diodes (LED or SMD) and connected with the electricity conductive member for emitting light. The light emitting diode economizes electricity, projects light with low temperature, prolongs a service life, have various light sources of different colors and produces no infrared rays ultraviolet rays, lowering cost of maintenance and capable to be produced in a large amount.