A controlling apparatus 110 to control an operation of an analyzing apparatus 1 and make the analyzing apparatus 1 execute a predetermined analysis, the controlling apparatus 110 including: a communicating module 60 that maintains reception of electricity when the analyzing apparatus 1 is in a power-on state, and is capable of receiving a control signal from an external apparatus 2 at all times; and a unit power controlling section 23 for acquiring the control signal through the communicating module 60, stopping electricity supply to a unit 31, 321, 322, 323 and/or 324 of the analyzing apparatus 1 at a first timing based on the control signal, and restarting the electricity supply to the unit 31, 321, 322, 323 and/or 324 at a second timing based on the control signal, so as to effectively suppress the electricity consumption when the analysis is not executed and facilitate the restart of the analysis.