Melanin deposits on the chin can be removed through general treatment, medication, physical therapy and other measures. 1. General treatment: Adopt a good routine, avoid staying up late; scientific and healthy diet; avoid sun exposure, avoid scratching and other stimuli. 2. Medication: You can use some medications to improve skin metabolism, such as vitamin E ointment, cumene glycoside ointment, hydroquinone cream and so on. 3. Physical therapy: you can use laser treatment, the use of photothermal effect, selective action on melanin particles to promote its metabolism and absorption, so as to improve the melanin deposits on the chin. The black pigmentation of the chin, it is recommended to go to the regular hospital for examination in a timely manner, and standardized treatment under the guidance of a professional doctor.