The invention provides a fully automatic packaging device for photovoltaic glass, and belongs to the technical field of machinery. The fully automatic packaging device for the photovoltaic glass comprises a machine frame and ground rails, and a transverse packaging station, a longitudinal packaging station and a film winding station are sequentially arranged on the ground rails; a rotating conveying table I is arranged at the transverse packaging station, a protecting plate positioning mechanism is arranged on the rotating conveying table I, wherein the protecting plate positioning mechanism enables protecting plates to abut against the edges of the photovoltaic glass, and a horizontal strapping machine is arranged at one side of the rotating conveying table I; a rotating conveying table II is arranged at the longitudinal packaging station, and a saber strapping machine is arranged at one side of the rotating conveying table II; and a rotating conveying table III is arranged at the film winding station, a supporting seat is further fixed to the machine frame and located above the rotating conveying table III, and a film coating mechanism and a film winding mechanism are arranged on the supporting seat. The fully automatic packaging device can conduct transverse strapping and longitudinal strapping on stacked photovoltaic glass, can conduct film coating on strapped photovoltaic glass and has the high degree of automation.