Since　battery　electric　vehicles　(BEVs)　and　hydrogen　fuel　cell　vehicles　(HFCVs)　have　advantages　of　zero-emissions　and　their　respective　applicable　scenarios,　the　NEV　charging　station　which　can　provide　charging　services　for　both　of　them　will　grow　rapidly　in　near　future.　Its　optimized　operation　is　the　core　concern　of　the　station　operators　and　NEV　users.　This　paper　proposes　an　operation　strategy　based　on　QoS　mechanism　for　optimizing　operation　of　the　NEV　charging　station　and　providing　differentiated　charging　service　for　NEVs.　The　explicit　model　of　the　NEV　charging　station　is　introduced　and　the　optimized　operation　model　is　established　to　maximize　the　profit　and　obtain　the　data　of　charging　demand　shedding.　Then　the　QoS　mechanism　is　utilized　to　coordinate　the　distribution　of　charging　demand　reduction　in　vehicles　to　achieve　better　charging　satisfaction.　The　comparison　of　case　study　reveals　that　the　Int-serv　mechanism　and　the　priority　attribute　function　defined　based　on　Diff-serv　mechanism　in　this　paper　can　well　improve　the　charging　satisfaction.　©　2021　IEEE.