Rough arm skin with chicken skin may be related to skin dehydration, excessive proliferation of keratin, etc. It can usually be removed through skin hydration, medication and other methods. 1. Skin dehydration: If the lack of water in the skin causes the patient to have rough skin with chicken skin on the arm, you can usually apply moisturizing cream on the arm, or inject hydrazine injection to improve and help alleviate the symptoms, and you should pay attention to consume more vitamin C-rich vegetables, fruits and vegetables. 2. Excessive proliferation of keratin: If the symptoms of rough skin with chicken skin on the arms are caused by excessive proliferation of keratin, patients can take oral retinoids for treatment, such as Avian A capsule, viamin ester capsule, etc., which can reduce the sebum secretion and make the keratinization abnormalities gradually recover, so as to improve the symptoms. Those who are allergic to any of the ingredients of the above drugs are prohibited from using them. There are many other causes of arm skin roughness with chicken skin, it is recommended that patients go to the hospital in a timely manner to find out the cause of the disease, standardized treatment, the drug should be used in accordance with the doctor’s instructions, so as not to delay the condition.