A central integrated nursing machine includes a main unit and a plurality of working heads, wherein the main unit is provided with a sewage suction device, a water supply device, a main unit processor and a main unit communication module, the sewage suction device is provided with a sewage discharging pipe connected with a sewer, the water supply device is provided with a water taking pipe connected with a tap water source, and the main unit processor is connected with the sewage suction device, the water supply device and the main unit communication module through circuits, respectively; and a plurality of working heads are connected with the sewage suction device and the water supply device on the main unit through pipelines, respectively, and the plurality of working heads are connected with the main unit communication module on the main unit through data transmission interfaces, respectively.