Enlarged neck pores with black spots can be caused by keratosis pilaris, acne, and melanin deposits. It can be treated through life conditioning, local cleansing and the use of medication. 1. Keratosis pilaris: when the patient suffers from keratosis pilaris, it may be due to the keratinization of the hair follicle mouth, which affects the normal growth of cui-ui hairs, thus blocking the pores, making the pores enlarged. Clinically there is no cure for this disease, patients can eat some vitamin-rich fruits and vegetables or follow the doctor’s orders oral vitamin A to alleviate the symptoms. 2. Acne: Patients with exuberant secretion of lipid glands may have clogged pores, making the neck pores become enlarged. And when the oil outside the hair follicle comes into contact with air oxidation, it will form black spots. Patients with mild symptoms can improve by paying attention to cleanliness and reducing the adhesion of oil. If the symptoms are serious, you can follow the doctor’s instructions to use isotretinoin soft capsules and other drugs for treatment. 3. Melanosis: Melanocytes may also accumulate melanin pigmentation phenomenon, you can apply hydroquinone cream, retinoic acid ointment and other medications, usually avoid staying up late, avoid spicy, fatty and stimulating food. Therefore, when patients appear neck pores with black spots patients, it is recommended to go to the hospital for examination, clear causes, choose to target treatment.