The small hard spikes on the side of nails are generally called barbs, which are caused by different etiologic factors, and their solutions are also different, the etiologic factors mainly include cuticle dryness, exposure to chemicals, and so on. 1. Dry cuticle: dry cuticle around the nails can easily lead to the formation of barbs, it is recommended that patients usually pay attention to hand moisturizing, more hand cream, if necessary, you can use vitamin E cream plus massage in the barbs, to increase the effect of moisturizing. 2. Exposure to chemicals: If patients often wash their hands, wash clothes and other contact with alkaline chemicals detergent, easy to cause damage to the skin barrier, inflammation, it is recommended that patients usually wear gloves and other protective gear, to avoid frequent contact with chemical substances. Patients need to go to the hospital, follow the doctor’s instructions to improve the relevant examination and treatment.