The petal series operating light is one of the LED type, which has several special petal-type lamp caps. It is a mobile and vertical shadowless lamp to meet different height and angle requirements when in surgeries. The whole medical shadowless lamp consists of multiple high-luminance white LED lamp beads, and these beads can compose a series, which is known as high brightness LED. And all series combines a whole petal operating light. Each series is independent, when one of them fails, other beads can still work normally.