The present invention relates to a composition for fiber adhesion, and more particularly, a composition for fiber adhesion including titanium dioxide, flame retardants, ultraviolet absorbers and heat stabilizers; and coated yarns, fabrics and articles comprising the composition. The present invention can provide a fiber bonding composition with excellent heat shielding property, light shielding property, ultraviolet and infrared reflection characteristics, weather resistance, heat resistance, heat insulation, durability, etc. In addition, the present invention can provide a coating yarn which can be widely used for blinds, shade film, interior materials, etc. because of excellent thermal shielding property, light shielding property, ultraviolet ray and infrared ray reflection property, weather resistance, heat resistance.