The invention relates to a protective screen against aggressive animals, consisting of a structure formed by a plurality of frames provided with pointed elements which is installed for the purpose of creating secure zones that are protected against possible attacks from dangerous animals, comprising a series of elemental modules having a square or rectangular tubular frame in polyethylene or hard plastic having four lances directed towards the centre but forming an angle " " with the plane defined by the frame. Each lance has a shaft of the same material as the frame and a steel metal lance point that is protected against corrosion.
