A vertical pressure sensor comprising: a pressure application unit configured to be deformed by a fluid, which is an object to be measured, the pressure application unit being provided at an upper end thereof with a diaphragm to which strain gauges are attached at a top thereof, the fluid contacting the back of the diaphragm with the pressure application unit being coupled to a lower part of a sensor housing; a socket unit surrounding a circumference of the diaphragm of the pressure application unit, the socket unit having a through hole corresponding to an upper end of the diaphragm; and first to fourth electrode terminals (42a - 42d) provided in an upper end of the socket unit, one end of each of the first to fourth electrode terminals (42a - 42d) exposed through the through hole and being electrically connected to a corresponding one of the strain gauges by wire bonding, the other end of each of the first to fourth electrode terminals (42a - 42d) exposed at the upper end of the socket unit characterised in that: (i) the socket unit is spaced apart from the diaphragm by a predetermined distance; (ii) each of the first to fourth electrode terminals protrudes from the upper end of the socket unit to constitute an electrode tip, the electrode tip of each of the first to fourth electrode terminals (42a-42d) being connected to a circuit board of the pressure sensor and is fixedly inserted into a corresponding connection hole of the circuit board and wherein a Wheatstone bridge circuit pattern of the first to fourth electrode terminals (42a-42d) is constituted by patterns of the respective electrode terminals (42a-42d) disposed in the upper end of the socket unit; (iii) the circuit board is connected to the first to fourth electrode terminals (42a - 42d) to convert a measured pressure value into an electrical signal; and (iv) the pressure sensor further comprises electrode rods connected to a top of the circuit board to transmit the electrical signal outside. a pressure application unit configured to be deformed by a fluid, which is an object to be measured, the pressure application unit being provided at an upper end thereof with a diaphragm to which strain gauges are attached at a top thereof, the fluid contacting the back of the diaphragm with the pressure application unit being coupled to a lower part of a sensor housing; a socket unit surrounding a circumference of the diaphragm of the pressure application unit, the socket unit having a through hole corresponding to an upper end of the diaphragm; and first to fourth electrode terminals (42a - 42d) provided in an upper end of the socket unit, one end of each of the first to fourth electrode terminals (42a - 42d) exposed through the through hole and being electrically connected to a corresponding one of the strain gauges by wire bonding, the other end of each of the first to fourth electrode terminals (42a - 42d) exposed at the upper end of the socket unit characterised in that: (i) the socket unit is spaced apart from the diaphragm by a predetermined distance; (ii) each of the first to fourth electrode terminals protrudes from the upper end of the socket unit to constitute an electrode tip, the electrode tip of each of the first to fourth electrode terminals (42a-42d) being connected to a circuit board of the pressure sensor and is fixedly inserted into a corresponding connection hole of the circuit board and wherein a Wheatstone bridge circuit pattern of the first to fourth electrode terminals (42a-42d) is constituted by patterns of the respective electrode terminals (42a-42d) disposed in the upper end of the socket unit; (iii) the circuit board is connected to the first to fourth electrode terminals (42a - 42d) to convert a measured pressure value into an electrical signal; and (iv) the pressure sensor further comprises electrode rods connected to a top of the circuit board to transmit the electrical signal outside. (i) the socket unit is spaced apart from the diaphragm by a predetermined distance; (ii) each of the first to fourth electrode terminals protrudes from the upper end of the socket unit to constitute an electrode tip, the electrode tip of each of the first to fourth electrode terminals (42a-42d) being connected to a circuit board of the pressure sensor and is fixedly inserted into a corresponding connection hole of the circuit board and wherein a Wheatstone bridge circuit pattern of the first to fourth electrode terminals (42a-42d) is constituted by patterns of the respective electrode terminals (42a-42d) disposed in the upper end of the socket unit; (iii) the circuit board is connected to the first to fourth electrode terminals (42a - 42d) to convert a measured pressure value into an electrical signal; and (iv) the pressure sensor further comprises electrode rods connected to a top of the circuit board to transmit the electrical signal outside.