The appearance of white spots on the neck is due to the presence of dermatitis eczema on the neck resulting in post-inflammatory hypopigmented spots, may be due to lichen planus resulting in hypopigmented spots and hyperpigmented spots on the neck. It may also be due to dermatomyositis or scleroderma, etc., autoimmune diseases of patients with heterochromia, that is, skin pigmentation spots and hypopigmented patches, may be due to vitiligo. When the neck appears white spots should actively go to the hospital fungal microscopy and Wood’s lamp examination, can be initially judged, if it is the inflammation of hypopigmented patches, with the fading of time can be slowly repigmented, if it is due to tinea versicolor caused by, can be rubbed with antifungal drugs. If it is caused by vitiligo, it is recommended to use topical glucocorticoid ointment and tacrolimus ointment, phototherapy, and symptomatic supportive treatment in the stable stage.