The invention discloses an environment-friendly flame retardant PA6 material which is prepared from the following components in parts by weight: 100 parts of a PA6 resin, 10-40 parts of a composite flame retardant and 1-10 parts of a compatible toughening agent, wherein the composite flame retardant comprises diphosphonate pentaerythritol ester melamine salt, melamine cyanurate, aluminium hypophosphite, polysiloxane and polytetrafluoroethylene in weight ratio of (3-12): (5-15): (5-25): (0.5-5.0): (0.1-2.0). The environment-friendly flame retardant PA6 material provided by the invention is relatively low in production cost while obtaining relatively good flame retardant effect; by matching the polysiloxane and the polytetrafluoroethylene with nitrogen/phosphorus compounds, the anti-dripping property of the PA6 material is improved, the friction coefficient of the PA6 material is effectively reduced and the smoothness is improved so as to provide relatively good wear resistance and have wider application in the field of engineering.