A three-dimensional formation platform, comprising: a base, formed with a pair of guide slots arranged in parallel and oppositely disposed; a carrier, stacked on the base, clamped between the pair of guide slots and installed on the base along an installing direction parallel to the pair of guide slots; and an elastic stopping unit; characterized by an elastic pushing unit, wherein the elastic pushing unit and the elastic stopping unit are correspondingly disposed at two ends of the pair of guide slots and abutted against the carrier, thereby enabling the carrier to be clamped and fastened in the pair of guide slots, and the installing direction is defined as from the elastic stopping unit towards the elastic pushing unit; wherein, the elastic stopping unit is able to be compressed for releasing the carrier, the elastic pushing unit is able to provide an elastic force towards the elastic stopping unit, so that the carrier is able to be displaced in a direction opposite to the installing direction for being released from the guide slot, a flange corresponding to the guide slot is extended from a portion defined at a lateral edge (203/204) of the carrier, and the flange is received in the corresponding guide slot; one end of the guide slot corresponding to the elastic stopping unit is defined as an inlet end, and one end of the flange is defined as an entry end, when the flange is about to be received in the corresponding guide slot, the entry end is allowed to firstly pass the corresponding inlet end, when the carrier is clamped between the elastic stopping unit and the elastic pushing unit, a distance defined between the entry end and the corresponding inlet end is smaller than a distance defined between the elastic stopping unit and the elastic pushing unit along the installing direction, so that the carrier is able to be disposed on or removed from the base along a forward direction of the carrier. a base, formed with a pair of guide slots arranged in parallel and oppositely disposed; a carrier, stacked on the base, clamped between the pair of guide slots and installed on the base along an installing direction parallel to the pair of guide slots; and an elastic stopping unit; characterized by an elastic pushing unit, wherein the elastic pushing unit and the elastic stopping unit are correspondingly disposed at two ends of the pair of guide slots and abutted against the carrier, thereby enabling the carrier to be clamped and fastened in the pair of guide slots, and the installing direction is defined as from the elastic stopping unit towards the elastic pushing unit; wherein, the elastic stopping unit is able to be compressed for releasing the carrier, the elastic pushing unit is able to provide an elastic force towards the elastic stopping unit, so that the carrier is able to be displaced in a direction opposite to the installing direction for being released from the guide slot, a flange corresponding to the guide slot is extended from a portion defined at a lateral edge (203/204) of the carrier, and the flange is received in the corresponding guide slot; one end of the guide slot corresponding to the elastic stopping unit is defined as an inlet end, and one end of the flange is defined as an entry end, when the flange is about to be received in the corresponding guide slot, the entry end is allowed to firstly pass the corresponding inlet end, when the carrier is clamped between the elastic stopping unit and the elastic pushing unit, a distance defined between the entry end and the corresponding inlet end is smaller than a distance defined between the elastic stopping unit and the elastic pushing unit along the installing direction, so that the carrier is able to be disposed on or removed from the base along a forward direction of the carrier.