To propose a method for executing a foundation by using a bottle.

In the method for executing the foundation by using the bottles 12, the sealed empty bottles 12 are erected on a ground in a zone in which the foundation 10 is executed, external surfaces are abutted mutually and the bottles are arranged so as to be spread all over, sections among the external surfaces of the bottles 12 and opening 24a sections among the bottles 12 and the ground are filled with fillers, and the bottom section 16 of the foundation is executed extending over the whole surface in the zone on the bottom sections 12a of the bottles. In the method for executing the foundation by using the bottles 12, the mouth sections of the bottles 12 are directed downwards and the bottles are erected and arranged on the ground when the bottles 12 are disposed.