Finger joints peeling cracking itchy mostly due to fungal infection, eczema and human vitamin deficiency. 1. Fungal infection: when the human body is infected with fungi, the human skin will appear dry and rough or even cracked, over time, the infection will cause localized inflammation, resulting in itching, it is recommended to use antifungal drugs, such as clotrimazole, as prescribed by the doctor. 2. Eczema: the cause is not clear, may be related to diet, environmental factors, infection factors. Acute stage can appear skin erythema, papules, papules and other lesions, the long course of the disease has chronic manifestations, can appear peeling, dry cracking, itching. 3. Vitamin deficiency: Vitamin deficiency can also cause related problems, it is recommended to use some moisturizing cream, eat more vegetables, pay attention to a balanced diet. Under the guidance of the doctor to supplement the appropriate amount of multivitamins and so on. If there is any discomfort, it is recommended to consult a doctor in time and standardize the treatment.