A terminal block configured to be connected to a plurality of first card edge terminals arranged at a peripheral edge part of a first main surface of a substrate and a plurality of second card edge terminals arranged at a peripheral edge of one of a second main surface of the substrate and the first main surface of the substrate, the terminal block comprising: a base provided with an insertion port into which the peripheral edge of the substrate can be inserted; and a plurality of first and second terminals (110, 120) arranged on or in the base; wherein each of the plurality of first terminals includes: a first supporting portion arranged on the first main surface side of the substrate and extended in a direction normal to the first and second main surfaces (220a,220b) of the substrate inserted to the insertion port, and a first contacting portion extending from the first supporting portion, to contact one of the first card edge terminals; and each of the plurality of second terminals includes: a second supporting portion arranged at least partially on the first main surface side of the substrate and extended in a direction normal to the first and second main surfaces (220a, 220b) of the substrate inserted to the insertion port, and a second contacting portion extending from the second supporting portion, to contact one of the second card edge terminals, wherein the positions of a first distal end of the first contacting portion and a second distal end of the second contacting portion in an inserting direction of the substrate are shifted with respect to each other, wherein the plurality of first and second terminals (110, 120) are attached to the base by a plurality of screws, a plurality of washers corresponding to the plurality of terminals (110, 120) and a plurality of nuts respectively tightened with the screw through the washer, and the screws fixing the plurality of first and second terminals (110, 120) are inserted into the base in a direction normal to the first and second main surfaces (220a, 220b) of the substrate. a base provided with an insertion port into which the peripheral edge of the substrate can be inserted; and a plurality of first and second terminals (110, 120) arranged on or in the base; wherein each of the plurality of first terminals includes: a first supporting portion arranged on the first main surface side of the substrate and extended in a direction normal to the first and second main surfaces (220a,220b) of the substrate inserted to the insertion port, and a first contacting portion extending from the first supporting portion, to contact one of the first card edge terminals; and a first supporting portion arranged on the first main surface side of the substrate and extended in a direction normal to the first and second main surfaces (220a,220b) of the substrate inserted to the insertion port, and a first contacting portion extending from the first supporting portion, to contact one of the first card edge terminals; and each of the plurality of second terminals includes: a second supporting portion arranged at least partially on the first main surface side of the substrate and extended in a direction normal to the first and second main surfaces (220a, 220b) of the substrate inserted to the insertion port, and a second contacting portion extending from the second supporting portion, to contact one of the second card edge terminals, a second supporting portion arranged at least partially on the first main surface side of the substrate and extended in a direction normal to the first and second main surfaces (220a, 220b) of the substrate inserted to the insertion port, and a second contacting portion extending from the second supporting portion, to contact one of the second card edge terminals, wherein the positions of a first distal end of the first contacting portion and a second distal end of the second contacting portion in an inserting direction of the substrate are shifted with respect to each other, wherein the plurality of first and second terminals (110, 120) are attached to the base by a plurality of screws, a plurality of washers corresponding to the plurality of terminals (110, 120) and a plurality of nuts respectively tightened with the screw through the washer, and the screws fixing the plurality of first and second terminals (110, 120) are inserted into the base in a direction normal to the first and second main surfaces (220a, 220b) of the substrate.