A medical control system has a medical device, a medical control apparatus for controlling the medical device, and a display operation device for controlling the medical device. With the configuration, the medical device includes: a GUI setting information storage unit storing GUI setting information as setting information relating to design of a GUI screen configuring a graphical user interface (GUI) for controlling the medical device; a GUI setting information transmission unit transmitting the GUI setting information to the medical control apparatus. The medical control apparatus includes: a GUI generation unit generating a GUI screen image according to the transmitted GUI setting information; and an output unit outputting the generated GUI screen image to the display operation device.