Itchy by the fiber is belong to the occurrence of an allergic reaction, can be adjusted through general treatment, local medication, systemic medication and other measures. 1. General treatment: cold water or ice should be used for local cold compresses to reduce edema, avoid re-exposure to fibers, avoid scratching the skin, avoid mental stress. 2. Local medication: topical glycerine lotion has the effect of astringency and anti-itching, and it can also be combined with glucocorticoid drugs, such as compound dexamethasone ointment and tretinoin cream, which have anti-inflammatory and anti-allergic anti-itching efficacy. 3. Systemic medication: If the itching is serious or the area is large, you can take chlorpheniramine maleate tablets, loratadine capsules and other antihistamines. It is very itchy by the fiber, it is recommended to go to the hospital for examination, under the guidance of the doctor to use drugs.