Owing to the increasing number of intelligent homes(or called Smart home), the corresponding cost is much higher ; Installing expense, Network service fee, Electric rate, etc. Especially among them, the expense of electric rate costs us a great deal of trouble to bear gradually as the intelligent home network system become more manifold by its connecting various home appliances, after all spending the electric energy to no purpose, becasue of the long time of standby. Therefore, this paper makes a description of the design on the intelligent green SMPS for a home appliances saving power energy.