Due to the anti-fouling properties of wool fiber has natural, antifouling processing generally do not have to be extra. Some processing methods can provide extra protection on wool tibetan rugs, which only the tibetan rugs in the manufacturing process, once tibetan rugs paving is complete, stop to chemical treatment. Since local treatment on tibetan rugs, the effect is short, especially flow of larger regional, and even more so. This situation occurs, indoor tibetan rugs in different regions have different anti-fouling performance, affect tibetan rugs overall look. Protective treatment may not cause damage to wool tibetan rugss of tibetan rugs, but its effect will not last very long, could also make the tibetan rugs manufacturers of quality warranty.