Black and purple lips may be caused by anemia, skin pigmentation, excessive dampness in the body, or a bad heart. If the heart is not good, the lips will often appear purple phenomenon, after the heart problem is solved blood circulation is improved, the phenomenon then disappeared. Some people will also have the problem of lack of oxygen after strenuous exercise, which leads to black and purple lips, and the phenomenon will disappear after a period of rest. Some female patients may have contact dermatitis due to their love of lipstick, resulting in pigmentation that causes black and purple lips, and should stop using suspicious cosmetics, and can also use laser treatment to improve pigmentation. If the black and purple lips are more serious, you should go to the hospital in time for further examination to clarify the cause and treatment. If the purple lips are combined with shortness of breath and weakness, it may be caused by heart disease, otherwise do not worry too much about “purple lips” to have heart disease.