A virtual machine resource allocation method and apparatus applied to a virtual machine technology, and relate to the field of communications technologies and improve performance of a virtual machine, where the method includes acquiring a resource allocation parameter of a virtual machine, where the resource allocation parameter includes a scheduling parameter, and the scheduling parameter indicates that at least two of a physical processor resource, a physical memory, and a physical input/output (IO) device allocated to the virtual machine are located on a same processor node, and allocating a physical resource to the virtual machine according to the resource allocation parameter.