Huge amount of concrete debris is being discharged after the concrete structures are demolished,while the quality raw materials for the manufacture of cement and concrete is becoming shortage with the coming of the fastigium of infrastructural constructions in our country.The concrete wastes can be reused as recycled aggregates or raw materials for production of cement.The techniques and approach to reuse the concrete wastes are proposed from the achievements in this field.Test results have shown the possibility of completely recycling concrete and thereby realizing the ecological applications and production of cement and concrete.