Portable house foundation structure

The utility model provides a portable house foundation structure which comprises foundation platforms distributed in a construction floor, supporting beams erected above the two adjacent foundation platforms and a beam column structure erected on the supporting beams, wherein the beam column structure comprises two upright columns respectively and vertically arranged on two opposite ends of each supporting beam and a bottom beam which is arranged between the two upright columns and positioned on the supporting beams; the bottom beam is vertical to the upright columns; the bottom beam and the upright columns are provided with guide grooves; an opening of the guide groove of the bottom beam faces upwards; the guide groove of the bottom beam is communicated with the guide grooves of the upright columns so as to form an L-shaped mounting groove. The portable house foundation structure has the beneficial effects of being simple in connection and convenient in wall plate assembly and disassembly, so the portable house erection efficiency is greatly improved, the labor input is reduced and the condition that a formed portable house wall plate system is high in stability is ensured. The portable house foundation structure is reusable.