The utility model provides a stealthy optical cable, including optic fibre and tight jacket layer, crooked memory is remained the grade and is less than the second grade, and the optical cable exchanges the reconversion after the bending, tight jacket layer is transparent TPU layer, nylon layer or silastic -layer, and in the wiring, the optical cable does not influence indoor pleasing to the eyely, stealthy optical cable's external diameter is 600-1200 mu m, is 900 mu m usually, accords with the house wiring requirement. The outside tight jacket layer of stealthy optical cable use transparent material, transparent being difficult for is discovered, does not influence indoor pleasing to the eyely after the wiring, inside optic fibre bending is insensitive, difficult rupture, crooked memory degree is low, easy reconversion, difficult influence wiring shape, principle simply, compact structure, convenient to use, be applicable to applications such as civilian, industrial control and historical relic's protection.