The invention relates to the technical field of lamps, in particular to a ceiling lamp. The ceiling lamp comprises an installing base, a radiator, a lamp body, a fixing support and a first support body; the installing base is installed on a ceiling, one end of the lamp body is arranged on the installing base, and the other end of the lamp body is connected with the radiator; the fixing support isarranged at one end of the installing base, the first support body is arranged on the fixing support, the first support body can move up and down in the extending direction of the fixing support, andthe radiator is arranged at the end, far away from the installing base, of the first support body. The technical problems that in the prior art, an LED ceiling lamp does not have the function of adjusting the height, and the decoration effect is common after installing is completed are solved.