Dental treatment chair

The invention discloses a dental treatment chair. The dental treatment chair comprises a chair body and a control table and a balance arm which are connected with the outside. A chair interlocking unit and an emergency stopping unit are arranged in the chair body, and an air brake unit is arranged in the balance arm. The emergency stopping unit comprises a horizontal seat cushion connection plate and a backrest connection plate and a light touch micro switch which are arranged below the horizontal seat cushion connection plate. The chair interlocking unit comprises an air control micro switch arranged in the backrest, the back of the chair body is connected with a PU tube, one end of the PU tube is connected with a foot switch, and one end is connected with the air control micro switch. The air brake unit comprises a cylindrical damping block and a sealing ring arranged on the damping block. The dental treatment chair is good in stability and high in safety factor.