A method for management of an emergency in a connection of a client to a cloud desktop system, in a case where a management node fails, comprising: in response to confirming that feedback about authentication information times out, starting emergency connection and authenticating a local password corresponding to a user identification, ID; characterized in that the method further comprising: after the authentication of the local password corresponding to the user ID succeeds, querying a locally stored user information file for desktop list information according to the user ID; and displaying the desktop list information, and linking to a cloud desktop system corresponding to the desktop list information by using a command line parameter in the user information file; wherein after querying the locally stored user information file for the desktop list information according to the user ID, the method further comprises: in a case where multiple pieces of desktop list information are detected in the user information file, prompting to select one piece of desktop list information among the multiple pieces of desktop list information; and accordingly, the displaying the desktop list information, and linking to a cloud desktop system corresponding to the desktop list information by using a command line parameter in the user information file comprises: displaying the one piece of desktop list information, and linking to a cloud desktop system corresponding to the one piece of desktop list information by using a command line parameter in the user information file, wherein the command line parameter corresponds to the one piece of desktop list information; or after querying the locally stored user information file for the desktop list information according to the user ID, in a case where one piece of desktop list information is detected in the user information file, the displaying the desktop list information, and linking to a cloud desktop system corresponding to the desktop list information by using a command line parameter in the user information file comprises: displaying the one piece of desktop list information, and linking to a cloud desktop system corresponding to the one piece of desktop list information by using a command line parameter in the user information file, wherein the command line parameter corresponds to the one piece of desktop list information. after the authentication of the local password corresponding to the user ID succeeds, querying a locally stored user information file for desktop list information according to the user ID; and displaying the desktop list information, and linking to a cloud desktop system corresponding to the desktop list information by using a command line parameter in the user information file; wherein after querying the locally stored user information file for the desktop list information according to the user ID, the method further comprises: in a case where multiple pieces of desktop list information are detected in the user information file, prompting to select one piece of desktop list information among the multiple pieces of desktop list information; and accordingly, the displaying the desktop list information, and linking to a cloud desktop system corresponding to the desktop list information by using a command line parameter in the user information file comprises: displaying the one piece of desktop list information, and linking to a cloud desktop system corresponding to the one piece of desktop list information by using a command line parameter in the user information file, wherein the command line parameter corresponds to the one piece of desktop list information; or after querying the locally stored user information file for the desktop list information according to the user ID, in a case where one piece of desktop list information is detected in the user information file, the displaying the desktop list information, and linking to a cloud desktop system corresponding to the desktop list information by using a command line parameter in the user information file comprises: displaying the one piece of desktop list information, and linking to a cloud desktop system corresponding to the one piece of desktop list information by using a command line parameter in the user information file, wherein the command line parameter corresponds to the one piece of desktop list information.