The invention provides a method and a device for optimizing a virtual pointer of an RH850
liquid crystal instrument. The method comprises the following steps: creating a virtual pointer window and an instrument element window, wherein the virtual pointer window and the instrument element window are both double-buffer windows; in each VSync period, describing a virtual pointer in the virtual pointer window through the GPU, and describing instrument elements with a preset proportion in the instrument element window. Compared with the prior art, the method has the advantages that on the premise that external Flash consumption is not increased, the
frame rate of other instrument element pictures except the virtual pointer is reduced in a layered dynamic GPU
resource allocation mode, and it can be guaranteed that the
frame rate of the virtual pointer of the RH850
liquid crystal instrument is always stably kept about 60 fps. The
refresh rate of the virtual pointer of the RH850
liquid crystal instrument is effectively ensured under the condition of limited GPU operational capability.