Seat with turnover armrests

The utility model provides a seat with turnover armrests, and relates to the technical field of seats. A seat with a turnover armrest comprises a seat body, the seat body comprises a cushion, the armrest and a self-locking angle adjusting mechanism, the armrest is hinged to the cushion through the self-locking angle adjusting mechanism, the self-locking angle adjusting mechanism comprises a first connecting piece connected with the cushion and a second connecting piece connected with the armrest, and the first connecting piece is hinged to the second connecting piece. A plurality of notches are evenly formed in the edge of the first connecting piece around the hinge center of the first connecting piece, and clamping pieces matched with the multiple notches are arranged in the second connecting piece in a sliding mode. The armrests on the two sides of the seat body are designed to be in a turnover state, the sitting area of the seat body is enlarged or the function that the device can be used for lying for res