Abstract: A spraying assembly, including an atomizer, a sprayer and a rubber plug, and an atomizer inner cavity and an atomizer channel located below the atomizer inner cavity are provided in the atomizer, an atomizer end (130) is included in a lower part of the atomizer, and a side wall of the atomizer end is provided with at least one opening; the rubber plug is located at a bottom end of the atomizer inner cavity, an upper end of the rubber plug is provided with an umbrella-shaped boss, an annular cavity is formed between a lower end of the rubber plug and an inner wall of the atomizer, the rubber plug is provided with at least one longitudinal notch along a circumferential direction, and the bottom end of the atomizer inner cavity is provided with at least one notch; the sprayer includes a nozzle.