Cover barrier into natural and artificial barriers cover shelter barrier categories. Natural cover the shielding barrier is the goal of available terrain and surface features, such as undulating land, trees, bushes, residential areas, buildings and so on. Artificial barrier refers to a variety of cover camouflage with standard equipment (such as camouflage nets, mesh snow fronds, leafy camouflage desert camouflage nets, etc.) and a handy set of materials and cover barrier. By reconnaissance equipment to deal with the kind of anti-optical reconnaissance into cover barrier, anti-radar reconnaissance cover barrier, heat insulation barrier infrared reconnaissance and surveillance equipment to deal with a variety of multi-performance cover barrier. When disguised, to try to cover the use of natural barriers; impaired when lack of natural cover, then set the artificial barrier cover. 
By the erection of form and function, divided barrier cover to cover, vertical (tilt) cover barrier, horizontal (scaffolding type) barrier cover, distortion and interference shielding barrier cover barrier. 
Cover to cover is the barrier around the barrier face mask connected with the ground, used against ground and air reconnaissance cover barrier. When set, the barrier to prevent the cover to reveal the face of the target wheel Guo, its appearance must be consistent with the integration of the background.