This document stipulates the terms and definitions, product classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage and quality commitment of omnidirectional laser marking instruments (hereinafter referred to as marking instruments). This document applies to fully automatic laser marking instruments that use green semiconductor lasers with a wavelength of (510-530) nm or red semiconductor lasers with a wavelength of (635-670) nm as the indicating light source.