According to the present invention, a disposable sterilized cupping therapy apparatus contains: an expansion part composed of a foldable material, the inner volume of which corresponds to the inner volume of a cupping therapy device when expanded; and a resilient coupling part configured on a perimeter of the expansion part, in which the expansion part is arranged within the cupping therapy device, the coupling part is resiliently pressed against and coupled to a bottom of the cupping therapy device, and the skin of a person receiving therapy that is within the cupping therapy device is sealed from the air outside the expansion part by means of the latter.