Disclosed is a communication method for a device, a first cloud platform and a second cloud platform. The communication method includes obtaining, by the first cloud platform, a first access token from the second cloud platform. The first access token is configured for the first cloud platform to access a second resource link of a second device on the second cloud platform, and the second device is connected to the second cloud platform. The method also includes obtaining, by the first cloud platform, the second resource link based on the first access token. The method further includes determining, by the first cloud platform, a first resource link of the second device on the first cloud platform based on the second resource link. The first resource link is configured for a first device connected to the first cloud platform to communicate with the second device.