A biochemical analysis apparatus comprising: a sample tray that is provided with a sample installation part in which a sample container accommodating a sample to be subjected to biochemical analysis is installed, and a consumables installation part (45, 46, 47) in which consumables to be used for the biochemical analysis are installed; an apparatus body that accommodates the sample tray; an opening part that is provided in the apparatus body and leads to the sample tray; an instruction receiving unit that receives a movement instruction for moving the sample tray from a normal position where the sample installation part is disposed on the opening part side to a consumables replenishment position where the consumables installation part (45, 46, 47, 58) is disposed on the opening part side; and a driving control unit that controls driving of the sample tray and moves the sample tray from the normal position to the consumables replenishment position in a case where the movement instruction is received by the instruction receiving unit; the biochemical analysis apparatus being characterized by further comprising a first driving button (101, 102, 103, 104) that outputs the movement instruction to the instruction receiving unit in accordance with an operation; and a first display control unit that schematically displays an array state of the sample installation part and the consumables installation part (45, 46, 47, 58) in the sample tray, and performs a control such that a layout diagram provided with a first display section corresponding to the sample installation part and a second display section (101, 102, 103, 104) corresponding to the consumables installation part (45, 46, 47, 58) is displayed on a display unit, wherein at least a partial region of the second display section (101, 102, 103, 104) functions as the first driving button. a sample tray that is provided with a sample installation part in which a sample container accommodating a sample to be subjected to biochemical analysis is installed, and a consumables installation part (45, 46, 47) in which consumables to be used for the biochemical analysis are installed; an apparatus body that accommodates the sample tray; an opening part that is provided in the apparatus body and leads to the sample tray; an instruction receiving unit that receives a movement instruction for moving the sample tray from a normal position where the sample installation part is disposed on the opening part side to a consumables replenishment position where the consumables installation part (45, 46, 47, 58) is disposed on the opening part side; and a driving control unit that controls driving of the sample tray and moves the sample tray from the normal position to the consumables replenishment position in a case where the movement instruction is received by the instruction receiving unit; the biochemical analysis apparatus being characterized by further comprising a first driving button (101, 102, 103, 104) that outputs the movement instruction to the instruction receiving unit in accordance with an operation; and a first display control unit that schematically displays an array state of the sample installation part and the consumables installation part (45, 46, 47, 58) in the sample tray, and performs a control such that a layout diagram provided with a first display section corresponding to the sample installation part and a second display section (101, 102, 103, 104) corresponding to the consumables installation part (45, 46, 47, 58) is displayed on a display unit, wherein at least a partial region of the second display section (101, 102, 103, 104) functions as the first driving button.