The invention relates to the fields of sanitation and cleanliness, and in particular to an adjustable intelligent mop for domestic use. The intelligent mop comprises a main rod and a main cleaning head, and further comprises a subordinate cleaning head, a main pushing mechanism, a subordinate pushing mechanism and a water injection mechanism; the main rod is provided with a No.1 handle, a sliding rail and a support; the main cleaning head is provided with a cleaning plate, a No.1 plate, a No.1 spring, a No.1 line, a No.2 plate, a No.1 sliding wheel, a No.2 spring, a No.2 line and a No.2 sliding wheel; the main pushing mechanism is provided with a No.1 pushing tray, a No.1 shaft, a No.3 sliding wheel and a belt rope; the subordinate pushing mechanism is provided with a No.2 pushing tray and a No.1 rod; and a driving lever, a No.2 rod, a No.3 rod, a water cavity and a water tank are arranged on the water injection mechanism. According to the intelligent mop provided by the invention, the size of a cleaning surface can be adjusted in real time so as to adapt to various cleaning requirements; and meanwhile, a working surface can be injected with water.