An anti-seismic device (1) comprising: a flexural dissipator (2) suitable for being fixed to a first structural element (T), a sliding element (4) slidingly mounted on the flexural dissipator (2), a connector (C) suitable for being connected to a second structural element (P), an axial dissipator (8) that connects said connector (C) to the sliding element (4), a first hinge (200), a second hinge (5), a third hinge (9) and a fourth hinge (6).