A mounting structure of a front
body frame in a vehicle, wherein, by improving the mounting structure between a body shell and a
chassis around an engine compartment in the vehicle, it may secure the stability of the vehicle as well as the rigidity of the vehicle. As a mounting structure of a front
body frame in a vehicle, in which a circumference of an engine compartment includes side members arranged at both lower parts of an engine compartment, a
dash panel arranged fin order to form a boundary between the engine compartment and a vehicle compartment, a tire apron arranged at an upper side of both side members, a
shock absorber cover arranged on the tire apron, and a cowl panel arranged at an upper side of the
dash panel, the mounting structure may include: a pair of support members whose lower part is equipped to be fixed on both side members and whose upper part is equipped to be fixed on the
dash panel; a cowl member whose each of two edges are connected to an upper side of the pair of support members by
welding, the cowl member arranged to support a lower side of the cowl panel; a pair of side frames arranged at the lower side of the side members along an extension line where the lower part of the support members is extended; and a cross member arranged so that each of the lower parts of the side frames are mutually connected, wherein each of the cowl member, the support members, the side frames and the cross member are connected to be a ring shape.