Detachable beach chair

The utility model relates to a detachable beach chair which comprises a chair back part with a front supporting leg at the lower end and a chair seat part with a rear supporting leg at the lower end, two chair back side rods are arranged on two sides of the chair back part, and the lower ends of the chair back side rods are integrally connected with the front supporting leg. A first positioning rod and a second positioning rod are arranged between the two chair back side rods and close to the front supporting leg, the chair seat part is inserted into an insertion cavity defined by the first positioning rod, the second positioning rod and the two chair back side rods when the chair is located at the unfolding position, and the rear supporting leg penetrates through the insertion cavity and is exposed out of the rear side of the chair back part; armrests which can be unfolded or folded on the chair back side rods are arranged on the two sides of the chair back part. The beach chair has the advantages that the b