Method and system of providing service by controlling robot in service area, and robot implementing thereof

A system of providing a service by controlling robots within a service area, comprising:

• a control server configured to receive information including customer information on a customer seated at a table within the service area and ordered menu item information for an order from a guide robot or a table robot disposed in the service area and transmit, to a cooking robot, the received information and cooking instruction information generated based on situations of a plurality of orders placed within the service area;
• the guide robot configured to move within the service area and guide the customer to a specific table;
• a serving robot configured to move food completed by the cooking robot to a table from which the order was received;
• and
• the table robot disposed on the table and configured to receive ordered menu item information and output information on a situation in which the cooking robot cooks or the food delivered by the serving robot as voice information or visual information,
• wherein the serving robot is configured to receive dishes returned from the table and deliver the returned dishes to a dishwashing robot, and
• wherein the dishwashing robot is configured to receive information on a dish needed in the service area from the control server and determine priorities of washing dishes based on the received information.