Abstract: A portable perimeter for static multi-point synchronous thresholding screening and single-point thresholding detection is provided, comprising: an IPC (industrial personal computer); an LED optical source; an optical splitter; a visual field stimulator; a monitor; a printer; and a transponder; wherein the IPC is connected with the LED optical source, the optical splitter, the monitor, the printer and the transponder; wherein the visual field stimulator is hemispherical, four stimulating holes are provided on the visual field stimulator in such a manner that four beams split out by the optical splitter from a light from the LED optical source respectively pass through the four stimulating holes for forming an optical stimulating signal; wherein the stimulating holes are respectively provided in a GHA15 area, a GHB15 area, a GHC15 area and a GHD15 area according to a GH center 30 degrees visual field partition nomenclature.