A clothing treatment apparatus, comprising a cabinet, and a water-containing assembly, a sprinkling mechanism and an atomization generator that are arranged in the cabinet; wherein the water-containing assembly comprises a water tank and a water diverting and blocking member arranged in the water tank, the water tank is connected to the sprinkling mechanism through a first delivery pipeline, the water tank is connected to the atomization generator through a second delivery pipeline, and the water diverting and blocking member is configured to change a sequence of the water injected into the water tank flowing to the atomization generator and flowing to the sprinkling mechanism; and wherein the water tank comprises a first water-containing member and a second water-containing member that communicate with each other, an outlet of the first water-containing member is connected to the sprinkling mechanism through the first delivery pipeline, and an outlet of the second water-containing member is connected to the atomization generator through the second delivery pipeline; characterized in that: the water diverting and blocking member comprises a water diverting and blocking rib arranged in the first water-containing member, and the water diverting and blocking rib divides an internal space of the first water-containing member into a first chamber and a second chamber; an inlet of the first water-containing member is arranged in the first chamber, and the outlet of the first water-containing member is arranged in the second chamber; and the water diverting and blocking rib is arranged such that: when the water begins to be injected into the water tank, the water diverting and blocking rib enables all the water flowing through the first chamber to flow into the second water-containing member; and when the second water-containing member is fully filled with water, the water flowing through the first chamber overflows the water diverting and blocking rib, flows into the second chamber, and flows to the sprinkling mechanism through the first delivery pipeline. wherein the water-containing assembly comprises a water tank and a water diverting and blocking member arranged in the water tank, the water tank is connected to the sprinkling mechanism through a first delivery pipeline, the water tank is connected to the atomization generator through a second delivery pipeline, and the water diverting and blocking member is configured to change a sequence of the water injected into the water tank flowing to the atomization generator and flowing to the sprinkling mechanism; and wherein the water tank comprises a first water-containing member and a second water-containing member that communicate with each other, an outlet of the first water-containing member is connected to the sprinkling mechanism through the first delivery pipeline, and an outlet of the second water-containing member is connected to the atomization generator through the second delivery pipeline; characterized in that: the water diverting and blocking member comprises a water diverting and blocking rib arranged in the first water-containing member, and the water diverting and blocking rib divides an internal space of the first water-containing member into a first chamber and a second chamber; an inlet of the first water-containing member is arranged in the first chamber, and the outlet of the first water-containing member is arranged in the second chamber; and the water diverting and blocking rib is arranged such that: when the water begins to be injected into the water tank, the water diverting and blocking rib enables all the water flowing through the first chamber to flow into the second water-containing member; and when the second water-containing member is fully filled with water, the water flowing through the first chamber overflows the water diverting and blocking rib, flows into the second chamber, and flows to the sprinkling mechanism through the first delivery pipeline. the water diverting and blocking member comprises a water diverting and blocking rib arranged in the first water-containing member, and the water diverting and blocking rib divides an internal space of the first water-containing member into a first chamber and a second chamber; an inlet of the first water-containing member is arranged in the first chamber, and the outlet of the first water-containing member is arranged in the second chamber; and the water diverting and blocking rib is arranged such that: when the water begins to be injected into the water tank, the water diverting and blocking rib enables all the water flowing through the first chamber to flow into the second water-containing member; and when the second water-containing member is fully filled with water, the water flowing through the first chamber overflows the water diverting and blocking rib, flows into the second chamber, and flows to the sprinkling mechanism through the first delivery pipeline.