The present application relates to a prefabricated photovoltaic integrated panel with a moisture management system, and a fabricated photovoltaic envelope system. The prefabricated photovoltaic integrated panel with the moisture management system includes a solar photovoltaic panel and the moisture management system, wherein the moisture management system includes an isobaric rainproof curtain wall and waterproof and moisture permeable cloth. The fabricated photovoltaic envelope system either includes prefabricated photovoltaic integrated panels with moisture management systems, a wall layer and flashings; or includes prefabricated photovoltaic integrated panels with moisture management systems, a building structural frame and flashings; or includes prefabricated photovoltaic integrated panels with moisture management systems and a roof body. A construction method for the fabricated photovoltaic envelope system includes software simulation, factory prefabrication and on-site fabrication.