Abstract: A cloud service method of a cloud service system may include providing a service provider with a website that provides a service provider interface; generating a project in response to a computing service request from the service provider, generating types of instances corresponding to the generated project, and setting computing resources for managing the generated instances and a network, through the website; and analyzing a state of at least one instance selected by the service provider from among the generated instances, and providing the service provider with information about the analyzed instance state through the website.