Method and system for ensuring that display picture of cloud mobile phone is matched with screen size of real mobile phone

The invention discloses a method and system for ensuring the size of a display picture of a cloud mobile phone to be matched with the size of a screen of a real mobile phone, and the method comprises the steps: S1, logging in a cloud mobile phone client, and transmitting a message to a management background, the message comprising the screen resolution and pixel density of the real mobile phone; s2, after the management background receives the message, requesting the host machine to create a cloud mobile phone, and sending the resolution and pixel density of the real machine to the created cloud mobile phone; s3, the cloud mobile phone converts own screen resolution and pixel density parameters according to the screen resolution and pixel density parameters of the real mobile phone; and S4, the cloud mobile phone renders the content to be displayed according to the converted resolution and pixel density and sends the content to the client, and the client carries out equal-proportion scaling after receiving th