Sophisticated electronic equipment in the long-term continuous operation process, due to the atmosphere in a variety of floating dust, metal salts such as integrated oil contaminants by physical adsorption, gravity sedimentation of particles deposited on the surface of sophisticated electronic equipment, causing serious pollution of sophisticated electronic equipment, sophisticated electronic equipment so that cooling capacity decreased, affecting its operational quality and reliability. These pollutants are also the circuit within the device to form an additional 'microcircuit effect', resulting in 'slow corrosion' role, to varying degrees, causing poor contact impedance sophisticated electronic equipment is reduced, leakage, short circuit, error, caused by bad wiring board energy loss, the transmission signal weakened, unstable transmission speed and quality and other soft failure rate rises. Because many companies are composed of many electronic circuit blocks, printed circuit boards and the like, a strong static magnetic field at various electronic devices will work heat formed strong adsorption dust, fibers, oil, water and dust in the air; if long-term not regularly cleaned, over time, the board will be covered with a thick layer of dirt, which seriously affect the cooling and positive current transmission electronic components, bringing control failures, accelerated aging of components, component failure, burned components, loss of function, network interrupt and other soft failures. A direct result of a major accident and fire burned hardware. Chemical cleaning can remove the attachment of the pipe and some internal machinery of dirt, construction or operation of the machine in the process will produce some contaminants that can affect the efficiency of the machine, reducing the efficiency of the machine is running at the same time It will also affect the use of life.