The invention relates to an intelligent sofa having a cleaning function. The sofa includes a main body, an extension board, a back cushion, a rotation mechanism, a cleaning mechanism, an adjusting mechanism and two armrests; the rotation mechanism includes a first motor, a driving shaft and a bearing pedestal; the cleaning mechanism includes a driving assembly, a transmission assembly and a cleaning assembly; the transmission assembly includes a connection board, a slide block, a fixing block, a first connecting rod and a second connecting rod; the cleaning assembly includes a fixing plate, areciprocating unit and a suction nozzle; and the adjusting mechanism includes a positioning plate, a slip ring, a connecting rod and an adjusting assembly. The intelligent sofa rotates the extension board through the rotation mechanism, so that the extension board can be rotated to a horizontal state; cleaning can be performed on the ground near the sofa through the cleaning mechanism while the rest ranges are enlarged, so that the practicality of the sofa can be enhanced; and through the adjustment of the angles of the back cushion through the adjusting mechanism, the back cushion can be adjusted to a comfortable angle for people to seat, so that the experience feeling and convenience of the sofa can be improved.