The　eco-civilization　system　constitutes　an　important　part　of　the　system　of　socialism　with　Chinese　characteristics.　In　order　to　achieve　harmonious　coexistence　between　man　and　nature,　it　is　required　to　not　only　uphold　and　improve　the　eco-civilization　system,　but　also　give　full　play　to　the　advantages　of　China＇s　socialist　system　and　governance　system　to　ensure　that　the　eco-civilization　system　is　effectively　implemented;　meanwhile,　it　is　important　to　apply　ecological　laws　in　a　scientific　manner　to　continuously　develop　and　improve　the　system　of　socialism　with　Chinese　characteristics.　Ecological　laws　function　as　the　scientific　basis　for　the　building　of　ecological　systems　and　ecological　governance.　Nature-based　Solutions　(NbS)　demand　the　guarantee　of　ecological　system　and　improvement　of　ecological　governance　capacity.　While　adhering　to　and　perfecting　the　eco-civilization　system,　it　is　also　needed　to　continuously　advance　the　modernization　of　ecological　governance　capacity.　©　2020　World　Scientific　Publishing　Company.