Ichthyosis should go to the dermatology department. Ichthyosis is a keratinization disorder skin disease, mainly manifested as dry skin, flaking and fish scale-like lesions, mainly due to genetic factors, a small number of patients can also be caused by diseases or drugs, the disease can not be cured, but only to improve the relevant symptoms and slow down the progress of the disease. The treatment of ichthyosis is mainly divided into general treatment and drug treatment. General treatment refers to the removal of ichthyosiform lesions on the skin surface and improvement of the skin by bathing or applying moisturizers. Medication is commonly used as topical petroleum jelly, urea cream, etc., and oral medication is Avitamin A, etc. The appearance of ichthyosis should seek medical treatment in time, and follow the doctor’s instructions for medication.