A working bench column includes a lifting unit, a first decorating board, a second decorating board, first engaging member and second engaging member. The lifting unit has a lifting direction. The first decorating board has a first surface and a first sidewall connecting to the first surface. The second decorating board has a second surface and a second sidewall connecting to the second surface. The first engaging member is fixed on the first surface and partially extends beyond the first sidewall. The second engaging member is fixed on the second surface and adjacent to the second sidewall and used to be engaged with the first engaging member, by which the first decorating board and the second decorating board is joint to surround the lifting unit.一種工作檯柱，包括：升降機組、第一飾板、第二飾板、第一嵌合件以及第二嵌合件。升降機組具有一個升降方向。第一飾板具有第一表面以及與第一表面連接的第一側壁。第二飾板具有第二表面以及與第二表面連接的第二側壁。第一嵌合件固設於第一表面，且部分地向外延伸超過第一側壁。第二嵌合件固設於第二表面，並鄰接於第二側壁，用以與第一嵌合件卡合，使第一表面和第二表面共同圍繞升降機組。
