Joint structure of column and beam

A joint structure of a column and a beam is provided to perform construction work conveniently and to secure the structural stability of a building by constructing on the exact location by supporting two ends of a beam to two columns temporarily using a hanger of a coupler, placing the beam on the exact location and coupling the coupler and the column using a fixture. Disclosed is a joint structure of a column and a beam, which includes a column, a beam(200) provided with an upper flange and a web, a coupler(300) coupled to the upper flange and the web as the end of the beam, a hanger(400) hanging the coupler on the column and supporting upward, and a fixture(500) fixing the coupler to the column while the coupler is supported by the hanger. The joint structure of a column and a beam enables to perform construction work conveniently and to secure the structural stability of a building by constructing on the exact location by supporting two ends of a beam to two columns temporarily using a hanger of a coupler, placing the beam on the exact location and coupling the coupler and the column using a fixture.