Melanin deposits on the stomach may be caused by heredity, or seborrheic keratosis, post-inflammatory hyperpigmentation, etc. It is necessary to take general measures, medication, physical therapy, surgery, etc. for the cause of the disease to help remove or improve it. 1. Heredity: If one’s own skin is darker, it can be manifested as melanin deposits on the stomach, which is considered to be related to genetic predisposition. Generally there is no need for special treatment, if you feel that it affects the appearance, you can usually check the use of moisturizing products with whitening effect, to avoid local exposure to sunlight, you can also follow the doctor’s advice to take vitamin C or vitamin E and other drugs, but also to eat more fresh fruits and vegetables. 2. Seborrheic keratosis: the main symptom is that black or light brown round patches or papules can appear in any part of the body, and there is melanin deposition in the local skin. If patients feel that the lesions affect the aesthetic appearance, they can choose cryotherapy, laser therapy and other physical therapy. For patients with severe lesions, surgical treatments such as electrodesiccation, excision and curettage may need to be considered. 3. Post-inflammatory depigmentation: local use of moisturizing agents such as Vitamin E milk, etc., daily attention to sunscreen, if necessary, combined with laser treatment such as intense pulsed light. The causes of melanin deposits on the stomach are many, you need to go to the hospital to cooperate with the doctor to actively treat the original disease, so as not to delay the condition.