In this study, we successfully synthesized CsPbBr3 QDs and Mn-doped CsPbCl3 QDs, which exhibited dual-wavelength emission and achieved a high photoluminescence quantum yield (PLQY) of up to 83.4 %. To enhance the environmental stability of the QDs, we synthesized QDs/Polycaprolactone (PCL) composites. Using the Electrohydrodynamic (EHD) printing technique, we printed composite patterns using CsPbBr3/PCL and Mn-doped CsPbCl3/PCL. These patterns displayed dual-color fluorescence when excited at 365 nm and single-color fluorescence when excited at 410 nm. This excitation-sensitive property is due to the significant difference in emission and absorption wavelengths between CsPbBr3 QDs and Mn-doped CsPbCl3 QDs. Furthermore, we transferred the pattern onto a flexible anti-counterfeiting label using a transfer printing technology with polydimethylsiloxane (PDMS). This research represents a significant advancement in the development of CsPbX3 QDs for flexible fluorescent anti-counterfeiting applications.