The skin of the neck started to be tight and then rough like chicken skin, considering that it is small spiny moss, hairy erythematous chaff rash, etc., the main treatment is to strengthen the care and medication and so on. 1. spiny moss: this is a kind of skin disease characterized by spiny protrusion of hair follicles, high incidence in the neck and the outer arm, the onset of acute, slow progress, can disappear on its own, if the symptom is serious, you can take vitamin A orally, local application of retinol ointment and so on. 2. Hairy erythematous chaff rash: this is a relatively rare skin disease, mainly characterized by yellow scaly patches and keratinized follicular papules, can be applied locally urea ointment, cod liver oil ointment, but also can be combined with oral vitamin A and vitamin E. Neck skin began to tighten and then rough like chicken skin to timely consultation, under the guidance of the doctor to choose the appropriate treatment, the use of drugs need to follow the doctor’s instructions, avoid self-medication.