This report is written based on trade system in StereoWave. The purpose of this report is to build trade system which is supported by database program in order to provide any information about the trade system. Other purpose of this report is to show the theories which taught in classes can be applied to solve problem in designing and implementing system. The problem that exists in StereoWave is that the company still use manually system in selling transaction. By implementing the computer technology in selling transaction there will be many advantages such as time saving and accuracy data , speed in processing material purchasing and selling transaction are increase, and also reduce time spent on the transaction process and human error. Microsoft Visual Basic is used to design the interface, whileMicrosoft SQL Server 2000 is used to design the database system.