Computer cables are suitable for electronic computers and automation connection cables with a rated voltage of 500V and below that require high anti-interference performance. It is suitable for use as control lines in computer-based automatic control systems, computer distributed control systems, automated control systems in electric power, metallurgy, petrochemical and other industries, as well as computer cables for testing instruments. The computer cable shielding layer adopts methods according to different occasions: combined twisted pair shielding, total shielding of twisted pair cables, total shielding after twisted pair combination shielding, etc.