Neck sun tanning can be improved through enhanced care, drugs and other methods. 1. Enhanced care: neck tanning and hyperpigmentation have a relationship, should pay attention to sunscreen, usually can choose some non-irritating skin care products for maintenance, you can also apply tranexamic acid essence or vitamin C essence. 2. Drugs: you can also use drugs to reduce hyperpigmentation treatment, such as hydroquinone cream, which is a skin discoloration agent, mainly used for the treatment of hyperpigmentation. Neck sun tanning, patients with different physical conditions, different stages of the disease, different treatment methods, should be standardized under the guidance of the doctor. The above drugs should be used under the guidance of a doctor, do not self-medicate to avoid adverse consequences.