A dialing test method, used for performing a dialing test on a virtual machine system, wherein the virtual machine system comprises at least two computing nodes, each of the at least two computing nodes being configured to deploy a virtual machine, respectively, and wherein the at least two computing nodes are interconnected via a physical network and the virtual machines deployed on the computing nodes are connected via a service network; the method comprising: creating a dialing test network, wherein the dialing test network does not overlap the service network of the virtual machines; obtaining a dialing test policy, wherein the dialing test policy comprises a source computing node and a destination computing node on which a dialing test is to be performed, and the source computing node and the destination computing node are two of the at least two computing nodes of the virtual machine system; separately creating a source dialing test port and a destination dialing test port, wherein the source dialing test port is located on the source computing node, the destination dialing test port is located on the destination computing node, and both an IP address of the source dialing test port and an IP address of the destination dialing test port are IP addresses of the dialing test network; separately deploying respective dialing test resources for the source dialing test port and the destination dialing test port, wherein the dialing test resource of the source dialing test port does not overlap a resource of a virtual machine deployed on the source computing node, and the dialing test resource of the destination dialing test port does not overlap a resource of a virtual machine deployed on the destination computing node; and triggering a dialing test procedure, so that a dialing test task is executed between the source dialing test port and the destination dialing test port. creating a dialing test network, wherein the dialing test network does not overlap the service network of the virtual machines; obtaining a dialing test policy, wherein the dialing test policy comprises a source computing node and a destination computing node on which a dialing test is to be performed, and the source computing node and the destination computing node are two of the at least two computing nodes of the virtual machine system; separately creating a source dialing test port and a destination dialing test port, wherein the source dialing test port is located on the source computing node, the destination dialing test port is located on the destination computing node, and both an IP address of the source dialing test port and an IP address of the destination dialing test port are IP addresses of the dialing test network; separately deploying respective dialing test resources for the source dialing test port and the destination dialing test port, wherein the dialing test resource of the source dialing test port does not overlap a resource of a virtual machine deployed on the source computing node, and the dialing test resource of the destination dialing test port does not overlap a resource of a virtual machine deployed on the destination computing node; and triggering a dialing test procedure, so that a dialing test task is executed between the source dialing test port and the destination dialing test port.