Control method for signal transmission through voltage boosting, and application circuit therefor

A control method for signal transmission through voltage boosting and an application circuit therefor, wherein the control method comprises: performing voltage boosting processing on an input low-voltage signal by a supply voltage processing circuit, a low-voltage signal processing circuit and a modulation processing circuit, and outputting a high-voltage LED signal; and receiving the high-voltage LED signal by a high-voltage LED signal output circuit, performing high-voltage signal processing on the high-voltage LED signal by a high-voltage LED signal processing circuit, and outputting a control signal and a power supply which are mutually independent. The present invention increases the intensity and distance of signal propagation by performing voltage boosting processing on signals and then controlling LED lamp strings by the high-voltage LED signal processing circuit.