White spots on the neck should be examined to clarify the cause of white spots on the neck and then treated according to the examination results. The clinical causes of white spots on the neck are as follows: first, lichen planus, a depigmented skin disease with shallow lesions, can be treated with oral anti-allergy drugs, such as cyproheptadine tablets. The second, vitiligo, neck white spot if diagnosed as vitiligo, treatment is more difficult, there is no method to completely cure, it is recommended that you can use nano excimer laser irradiation to control the development of symptoms. The third, is due to skin trauma caused by pigment loss, treatment is relatively simple, can be applied in the local location erythromycin ointment as well as compound dexamethasone cream for treatment. It is recommended that the disease should be perfected with the relevant examination, only after the accurate diagnosis of the disease can be based on the cause of the symptomatic treatment.