Unit type external wall board installation module for fabricated building and construction method of unit type external wall board installation module for fabricated building

The invention provides a unit type external wall board installation module for a fabricated building and a construction method of the unit type external wall board installation module for the fabricated building. The unit type external wall board installation module comprises stand columns, a cross beam perpendicularly arranged between the two stand columns and a floor board arranged on the upperend face of the cross beam. The unit type external wall board installation module is characterized by comprising external wall boards fixedly connected to the outer sides of the stand columns, the cross beam and the floor board and installation module bodies connected between the external wall boards and the stand columns, between the external wall boards and the cross beam and between the external wall boards and the floor board respectively; the external wall boards are arranged to be perpendicular to the floor board; adjusting holes connected with the floor board are formed in the externalwall boards; adjusting hol