Disclosed is an eco-friendly and high-strength resin composite material which has high-strength and lightweight properties. The eco-friendly and high-strength resin composite material according to the present invention includes: a first base material; a reinforcing material layer formed on the first base material and having a fibrous reinforcement; and a second base material formed on the reinforcing layer. The first base material and/or the second base material is made of a biodegradable resin, such as the PLA and PHA resins.