Autolisp is an advanced intellectural programing langu-age.Its capability only depends on the user's imagination.Althoughthree dimensional architectural modeling is very important in CAD,thecommon situation of limited computer amount and computer powerprevents its use in many places of this country.To prove the possibilityof overcoming those limitation by making full use of the potential powerof Autolisp and combining the advantages of both computers and archi-tects,a powerful AutoCAD new command developed with Autolisp isintroduced.