The present technology relates to a surgery system, a control method, a surgical apparatus, and a program that allow easy updating of a function of a medical apparatus.A configuration includes an information processor, and a surgical apparatus. The information processor includes a storage section storing an application, and a transmission section transmitting, in response to a request from the surgical apparatus, the application stored in the storage section. The surgical apparatus includes a reception section receiving the application transmitted by the transmission section, and an execution section executing the application received by the reception section.
