The invention discloses an environment-friendly halogen-free non-phosphorus flame-retardant polycarbonate resin composition comprising the following components in parts by weight: 100 parts of polycarbonate resin, 3-10 parts of compatible toughing agent, 3-7 parts of flame retardant, 0.1-3 parts of flame-retardant additive 1, 0.1-3 parts of flame-retardant additive 2, 0.1-0.5 part of antioxidant and 0.1-0.5 part of lubricant. The environment-friendly halogen-free non-phosphorus flame-retardant polycarbonate resin composition has the advantages of small adding quantity of the flame retardants,high flame-retardant performance and no toxic and harmful substances such as dioxin generation during combustion and excellent mechanical properties, brings no corrosion problems to machinery processing, is a novel environment-friendly halogen-free non-phosphorus flame-retardant polycarbonate resin composition, and can be widely applied to the fields of electronics, office and home appliances, vehicles, construction and the like requiring high flame-retardant performance.