A chassis platform module for an electric vehicle may include: a main frame having a battery mounted thereon; and a front wheel-side support frame unit connected to a front of the main frame. The front wheel-side support frame unit may include: a pair of first support frames disposed in a width direction of a vehicle, and each having a first connection groove formed at a front end thereof; a pair of second support frames disposed at a front of the pair of first support frames, respectively, and each having a second connection groove formed at a rear end thereof; a connection frame having connection protrusions inserted into the first and second connection grooves, respectively; an adhesive part adhered to the inner circumferential surfaces of the first and second connection grooves; and a fastening member coupled to each of the connection protrusions through each of the first and second support frames.