There are more than thirty years that the capacitated dynamic lot sizing problem has appeared which is more and more interested by researchers around the world. With the rapid development of environment problems in production process, lots of manufacturing companies focus on products return and remanufacturing. In order to accord with practical demand, this paper based on Richterpsilas remanufacturing model with limited inventory, used polynomial algorithm computing the limited serviceable productions inventory problem and return productions inventory problem.