A reassemblable crib comprising: an assembly type baby fence; a bed board installed in a predetermined manner in the baby fence; casters mounted to a bottom of the baby fence; and foot members (51, 52), wherein the foot members (51, 52) are removably mounted to the bottom of the baby fence, the casters being removably mounted to bottoms of the foot members (51, 52) or the bottom of the baby fence, wherein main insertion members (31a, 51a, 52a) for mounting are projected at tops of the foot members (51, 52) and tops of the casters, further sub-insertion members (51b, 52b, 52c) for positioning being projected at tops of the foot members (51, 52), the main insertion members (31a, 51a, 52a) and the sub-insertion members (51b, 52b, 52c) on the foot members (51, 52) being configured to be inserted into hole portions (51d, 52d), the hole portions being formed at the bottom of the baby fence, the main insertion members (31a, 51a, 52a) on the casters being configured to be inserted into hole-portions, the hole-portions being formed at the bottoms of the foot members (51, 52) or the bottom of the baby fence, and wherein the reassemblable crib further comprises: knobs and bolts whose heads are fixed to depressed portions disposed at the knobs; and nuts fixed to depressed portions disposed at ends of the bed board, wherein the bolts have tops screwed and fastened with the nuts through holes bored at predetermined intervals vertically on the baby fence to install the bed board to the baby fence in a predetermined manner. an assembly type baby fence; a bed board installed in a predetermined manner in the baby fence; casters mounted to a bottom of the baby fence; and foot members (51, 52), wherein the foot members (51, 52) are removably mounted to the bottom of the baby fence, the casters being removably mounted to bottoms of the foot members (51, 52) or the bottom of the baby fence, wherein main insertion members (31a, 51a, 52a) for mounting are projected at tops of the foot members (51, 52) and tops of the casters, further sub-insertion members (51b, 52b, 52c) for positioning being projected at tops of the foot members (51, 52), the main insertion members (31a, 51a, 52a) and the sub-insertion members (51b, 52b, 52c) on the foot members (51, 52) being configured to be inserted into hole portions (51d, 52d), the hole portions being formed at the bottom of the baby fence, the main insertion members (31a, 51a, 52a) on the casters being configured to be inserted into hole-portions, the hole-portions being formed at the bottoms of the foot members (51, 52) or the bottom of the baby fence, and wherein the reassemblable crib further comprises: knobs and bolts whose heads are fixed to depressed portions disposed at the knobs; and nuts fixed to depressed portions disposed at ends of the bed board, wherein the bolts have tops screwed and fastened with the nuts through holes bored at predetermined intervals vertically on the baby fence to install the bed board to the baby fence in a predetermined manner. main insertion members (31a, 51a, 52a) for mounting are projected at tops of the foot members (51, 52) and tops of the casters, further sub-insertion members (51b, 52b, 52c) for positioning being projected at tops of the foot members (51, 52), the main insertion members (31a, 51a, 52a) and the sub-insertion members (51b, 52b, 52c) on the foot members (51, 52) being configured to be inserted into hole portions (51d, 52d), the hole portions being formed at the bottom of the baby fence, the main insertion members (31a, 51a, 52a) on the casters being configured to be inserted into hole-portions, the hole-portions being formed at the bottoms of the foot members (51, 52) or the bottom of the baby fence, and wherein the reassemblable crib further comprises: knobs and bolts whose heads are fixed to depressed portions disposed at the knobs; and nuts fixed to depressed portions disposed at ends of the bed board, wherein knobs and bolts whose heads are fixed to depressed portions disposed at the knobs; and nuts fixed to depressed portions disposed at ends of the bed board, wherein the bolts have tops screwed and fastened with the nuts through holes bored at predetermined intervals vertically on the baby fence to install the bed board to the baby fence in a predetermined manner.