An ink jet recording head 10 is provided which includes: piezoelectric elements 17 as a pressure generation unit that causes pressure change in pressure generation chambers 11 which are communicated with nozzle openings 13 that eject liquid; a driving circuit 60 as a driving unit that generates a driving signal for driving the pressure generation unit; a case head 20 that accommodates therein the driving unit; and a thermal conductor 35 that is in contact with the driving unit and the case head 20, in which the thermal conductor 35 and the case head 20 are fixed to each other via an thermally conductive adhesive layer 72 as a thermally conductive layer.