1, there are two main diseases that can cause chicken skin on the neck: one is perifollicular keratosis and the other is acanthosis nigricans. Most of the perifollicular keratosis is related to heredity.

2, chicken skin on the neck affects the appearance, and the hand touches the pimples rough, prick hand discomfort, you can use some vitamin A drugs, such as vitamin A cream. Usually eat foods rich in vitamin A, such as carrots, liver, etc., if necessary, take some vitamin A or vitamin E, etc., can effectively alleviate the chicken skin on the neck. Don't pick and scratch yourself, so as not to cause infection and leave hyperpigmentation.