Uneven nails with horizontal lines require a visit to the dermatology department of the hospital. Nails belong to the skin appendages, the whole body of the skin, nails, hair problems belong to the scope of dermatology, so nails problems, you need to hang up the dermatology number. The unevenness of the nails is commonly caused by onychomycosis, nail dystrophy, etc. It is necessary to go to the dermatology department of the hospital to improve the corresponding examination, such as fungal immunofluorescence examination, etc., to clarify whether there is a fungal infection. In addition, psoriasis, lichen planus, etc. can also occur when the nails are affected by psoriasis and lichen planus. Therefore, for uneven nails, it is necessary to consult a dermatologist, and under the guidance of a professional dermatologist, a clear diagnosis should be made and symptomatic treatment should be carried out.