A clip with a light comprises a body including a first and a second clip members to be flexibly pressed, and an illuminating device disposed between the first and second clip members and having a receiving cylinder, a light received in the receiving cylinder and provided with a first and a second connecting legs, a cell set received in the receiving cylinder to supply power to the light, a power circuit mounted in the receiving cylinder and provided with an electrode of a rear end of the cell set electrically connected to the first connecting leg of the light and the second connecting leg electrically coupled to an electrode of a front end of the cell set, an actuating member series connected onto the power circuit and having pressing blocks extending out of the receiving cylinder to press and release the first and second clip members, controlling the actuating member.