Solar insulation, green and composite wall system and construction method

A solar insulation, green and composite wall system and comprises a solar composite insulation board (1), an angle control and support plate belt (2), a fixing bearer (3) and a greenery heat dissipation layer (4). Two side surfaces of the angle control and support plate belt (2) are connected with a neck of the fixing bearer (3) through a reliable high-strength bolt (5), the solar composite insulation board (1) and the angle control and support plate belt (2) are effectively adhered together through an adhesive, the solar composite insulation board (1) can automatically change angles along with angular variation of the sunlight according to a program, because the angle control and support plate belt (2) can freely pivot the high-strength bolt (5), a certain rotation allowable space is preset between the solar composite insulation board (1) and the greenery heat dissipation layer (4), the greenery heat dissipation layer (4) adopts liana, and the specific form of the liana is determined by needs of a building.