A clothing treatment apparatus, comprising a housing, and a water-containing assembly and a sprinkling assembly that are arranged in the housing; wherein the water-containing assembly comprises a water tank and a siphon member arranged in the water tank, the siphon member is connected to the sprinkling assembly through a first delivery pipeline, the siphon member is configured to suck out water in the water tank by siphoning, and the sprinkling assembly is configured to perform sprinkling washing on the clothing; the clothing treatment apparatus further comprises an outer cylinder arranged in the housing and an inner cylinder rotatably accommodated in the outer cylinder, wherein the housing is provided with a clothing inlet, and a window gasket is arranged between the clothing inlet and the outer cylinder; and the sprinkling assembly comprises a first sprinkling head arranged on the window gasket, a second outlet of the cabinet is connected to the first sprinkling head through a second delivery pipeline, and the first sprinkling head is configured to spray water into the inner cylinder; and characterized in that: the water tank comprises a cabinet and a cover arranged above the cabinet; and the siphon member comprises a siphon cap arranged on the cover and a siphon tube arranged in the cabinet, and the siphon tube communicates with the first delivery pipeline through a first outlet of the cabinet; when the cover is closed with the cabinet, the siphon cap is configured to be sleeved over the siphon tube, a siphon channel is formed between the siphon cap and the siphon tube, and the water in the cabinet is configured to flow to the sprinkling assembly through the siphon channel and the first delivery pipeline; the clothing treatment apparatus further comprises an atomization generator arranged on the window gasket; wherein a third outlet of the cabinet is connected to the atomization generator through a third delivery pipeline, and the atomization generator is configured to perform atomized washing on the clothing. wherein the water-containing assembly comprises a water tank and a siphon member arranged in the water tank, the siphon member is connected to the sprinkling assembly through a first delivery pipeline, the siphon member is configured to suck out water in the water tank by siphoning, and the sprinkling assembly is configured to perform sprinkling washing on the clothing; the clothing treatment apparatus further comprises an outer cylinder arranged in the housing and an inner cylinder rotatably accommodated in the outer cylinder, wherein the housing is provided with a clothing inlet, and a window gasket is arranged between the clothing inlet and the outer cylinder; and the sprinkling assembly comprises a first sprinkling head arranged on the window gasket, a second outlet of the cabinet is connected to the first sprinkling head through a second delivery pipeline, and the first sprinkling head is configured to spray water into the inner cylinder; and characterized in that: the water tank comprises a cabinet and a cover arranged above the cabinet; and the siphon member comprises a siphon cap arranged on the cover and a siphon tube arranged in the cabinet, and the siphon tube communicates with the first delivery pipeline through a first outlet of the cabinet; when the cover is closed with the cabinet, the siphon cap is configured to be sleeved over the siphon tube, a siphon channel is formed between the siphon cap and the siphon tube, and the water in the cabinet is configured to flow to the sprinkling assembly through the siphon channel and the first delivery pipeline; the clothing treatment apparatus further comprises an atomization generator arranged on the window gasket; wherein a third outlet of the cabinet is connected to the atomization generator through a third delivery pipeline, and the atomization generator is configured to perform atomized washing on the clothing. the water tank comprises a cabinet and a cover arranged above the cabinet; and the siphon member comprises a siphon cap arranged on the cover and a siphon tube arranged in the cabinet, and the siphon tube communicates with the first delivery pipeline through a first outlet of the cabinet; when the cover is closed with the cabinet, the siphon cap is configured to be sleeved over the siphon tube, a siphon channel is formed between the siphon cap and the siphon tube, and the water in the cabinet is configured to flow to the sprinkling assembly through the siphon channel and the first delivery pipeline; the clothing treatment apparatus further comprises an atomization generator arranged on the window gasket; wherein a third outlet of the cabinet is connected to the atomization generator through a third delivery pipeline, and the atomization generator is configured to perform atomized washing on the clothing.