The invention provides a sweat steam and bubble bath hydrotherapy integrated foldable inflation bathtub. The sweat steam and bubble bath hydrotherapy integrated foldable inflation bathtub has the advantages that the sweat steam and bubble bath hydrotherapy integrated foldable inflation bathtub is provided with a flexible cover, zippers for opening or closing openings of a bathtub are arranged on the flexible cover, and accordingly users can conveniently enter the sweat steam and bubble bath hydrotherapy integrated foldable inflation bathtub; a neck opening and hand protective sleeves are arranged at an opening end of the flexible cover, accordingly, opposite accommodating cavities for accommodating human bodies can be formed by the flexible cover and the bathtub when the sweat steam and bubble bath hydrotherapy integrated foldable inflation bathtub is used, steam can be injected into the bathtub, and the sweat steam and bubble bath hydrotherapy integrated foldable inflation bathtub can have sauna functions; air can be injected into gap cavities at the bottom of the bathtub by a bubble bath hydrotherapy machine via an air outlet pipe, air can be exhausted via regular air escape holes in the bottom of the bathtub, accordingly, boiling bubble bath effects can be realized by water in the bathtub, airflow at the bottom of the water can be intermittently sprayed out, the human bodies can be repeatedly impacted by bubble, and channels and collaterals of the human bodies can be patted and massaged; the sweat steam and bubble bath hydrotherapy integrated foldable inflation bathtub is simple and compact in structure, convenient to carry and store, flexible in use and reasonable in design, can be conveniently and quickly mounted and operated, has abundant functions, is economical and practical and has an excellent market prospect.