The utility model discloses a novel foundation structure of secondary combination equipment compartment, include a plurality of bearing structure that set up along cabin body length direction, each bearing structure includes a plurality of isolated footings respectively, and each isolated footing sets up basic straining beam on locating same straight line on each bearing structure's isolated footing, be provided with the shutter at cabin body width direction both ends, and the shutter upper end flushes with the isolated footing upper end, is provided with the manger plate bank at the lower extreme of shutter. The utility model provides a " strip footing " was compared to the scheme of " isolated footing + straining beam " scheme foundation concrete engineering volume is saved approximately 42%, can effectively save engineering cost for the construction progress, set up wide 240mm at the bottom of the window, high 150mm's precast concrete manger plate bank can effectively prevent place water to get into the bottom of a ship's hold.