Ichthyosis is a hereditary keratosis disorder skin disease characterized by dry skin with fish scale scales, which is difficult to be cured at this stage of clinical treatment. At present, the main clinical treatment of ichthyosis is to give medication and supportive treatment to promote the healing of skin lesions and avoid infection.1. Medication: local application of retinoic acid and combined corticosteroid drugs, such as mometasone furoate cream, can reduce skin lesions and relieve symptoms. Besides, local application of carbotriol ointment can also reduce scaling. Some patients can also relieve symptoms by taking oral vitamin A or retinoic acid drugs; 2. Support treatment: use emollients to avoid dry skin and ensure a warm and moist environment to relieve the symptoms of ichthyosis. Also need to cut nails regularly and avoid scratching the skin. Ensure comfortable, soft and loose clothing, clean the skin in time, and ensure adequate nutrition in daily diet. In addition, Chinese medicine fumigation method is also gradually applied to the treatment of ichthyosis, and the effect is more obvious, which can improve the symptoms of ichthyosis patients and reduce recurrence. Chinese medicine fumigation method mainly through fumigation, moisten the skin to achieve the purpose of getting rid of scales, and at the same time can stimulate the unblocking of glands through drugs, promote the absorption and excretion of skin, and can regulate the organism, maintain the stability of skin function, improve the skin condition and reduce recurrence.