The invention relates to the field of ultrasonic cleaning equipment, in particular to a support structure for cleaning of an anilox roller. The support structure is reasonable and can meet the cleaning requirement of the anilox roller. The support structure comprises a base, a fixed roller frame is mounted at one end of the base, a movable roller frame is arranged at the other end of the base, the movable roller frame is arranged on a sliding rail of the base in a sliding manner, the fixed roller frame is fixedly mounted on the base through a pin shaft, the fixed roller frame and the movable roller frame each comprise a left supporting base and a right supporting base which are symmetrically arranged, each left supporting base and each right supporting base each comprise a front support and a rear support, a rotating shaft is mounted between each front support and the corresponding rear support, a supporting roller is arranged on each rotating shaft, gaps are reserved between the supporting rollers of each left supporting base and the corresponding right supporting base, and the size of the gaps is smaller than the diameter of the end of the anilox roller; a drive supporting base is arranged at the position, on the outer side of the fixed roller frame, of the base, a transverse coupler arranged in a penetrating manner is arranged on the drive supporting base through a bearing, and a transmission chain wheel is arranged at the end of the outer side of the transverse coupler.