A mounting structure of a thermal management module for a vehicle, includes: a mounting carrier mounted at a front of a vehicle body and having a receiving space; and a thermal management module mounted in the receiving space; wherein the thermal management module includes: an air conditioner mounted in the receiving space and configured to adjust a temperature of a vehicle interior according to a cooling mode or a heating mode; and a cooling device mounted in the receiving space and configured to heat-exchange with a working fluid using an external air introduced from outside of the cooling device.