An assembly type pallet, comprising: a plurality of plates (110, 110") disposed side by side to each another; a plurality of support frames (120', 120") that are disposed in a direction intersecting the plates (110, 110") to support a lower portion of each of the plates (110, 110"); an inside of each of the support frames (120', 120") being provided with an inner space along a longitudinal direction, an upper surface of each of the support frames (120', 120") being provided with a seating surface against which a lower surface of each of the plates (110, 110") is supported, and the seating surface being provided with an insertion hole communicating with the inner space; a first secure member (130', 130") that is disposed on the lower surface of each of the plates (110, 110") and that is provided with an insertion unit which is inserted into the insertion hole of each of the support frames (120', 120") to secure each of the plates (110, 110") to each of the support frames (120', 120"); and a second secure member (140', 140") that is inserted into the inner space of each of the support frames (120', 120") to secure the insertion unit of the first secure member (130', 130") to each of the support frames (120', 120"), characterized in that the second secure member (140', 140") is provided with a secure hole that is configured to selectively secure the insertion unit of the first secure member (130', 130") according to a position of the second secure member (140', 140") by means of an insertion area formed at one side of the secure hole and a secure area formed at another side of the secure hole, the insertion unit of the first secure member (130', 130") is configured to be penetratingly inserted into the insertion area, and the secure area is configured to grip both sides of the insertion unit of the first secure member (130', 130") to secure the insertion unit. a plurality of plates (110, 110") disposed side by side to each another; a plurality of support frames (120', 120") that are disposed in a direction intersecting the plates (110, 110") to support a lower portion of each of the plates (110, 110"); an inside of each of the support frames (120', 120") being provided with an inner space along a longitudinal direction, an upper surface of each of the support frames (120', 120") being provided with a seating surface against which a lower surface of each of the plates (110, 110") is supported, and the seating surface being provided with an insertion hole communicating with the inner space; a first secure member (130', 130") that is disposed on the lower surface of each of the plates (110, 110") and that is provided with an insertion unit which is inserted into the insertion hole of each of the support frames (120', 120") to secure each of the plates (110, 110") to each of the support frames (120', 120"); and a second secure member (140', 140") that is inserted into the inner space of each of the support frames (120', 120") to secure the insertion unit of the first secure member (130', 130") to each of the support frames (120', 120"), characterized in that the second secure member (140', 140") is provided with a secure hole that is configured to selectively secure the insertion unit of the first secure member (130', 130") according to a position of the second secure member (140', 140") by means of an insertion area formed at one side of the secure hole and a secure area formed at another side of the secure hole, the insertion unit of the first secure member (130', 130") is configured to be penetratingly inserted into the insertion area, and the secure area is configured to grip both sides of the insertion unit of the first secure member (130', 130") to secure the insertion unit.