Steam base assembly and foot tub

The invention relates to a steam base assembly which comprises a base, a water box, a steam generator, a water pump and a fan. Wherein a sinking reservoir and a water receiving seat communicated with the reservoir are arranged on the base, and the water receiving seat is used for containing an inverted water box and injecting water into the reservoir; the water pump is connected with the low position of the reservoir and supplies water to the steam generator, and a steam port of the steam generator communicates with the upper space of the reservoir; a sealing cover is arranged at the top of the reservoir, and a steam outlet hole is formed in the sealing cover; and an air outlet of the fan is connected into the upper space of the reservoir and is discharged from the steam outlet after being mixed with fed hot steam. The space of the base is fully utilized, the water storage tank is arranged, water is continuously supplied to the steam generator through the water pump, and the continuously generated steam is se