Purple lips and tongue suggest poor blood flow at the periphery, which may be due to a more pronounced lack of oxygen. The appearance of this condition may be related to heart disease, anemia, poisoning and other conditions, should be related to the examination, including cardiac as well as hematological examination, such as ultrasound of the heart, electrocardiogram, cardiac enzymology examination, blood routine, and so on, and according to the results of the examination for targeted treatment. Of course, in addition to pathologic factors, if the human body is in extreme cold conditions, the body’s peripheral blood vessels will contract, poor circulation, lips and tongue will also show a blue-purple color, but this situation is different from the long-term lips and lips bruises, generally in the transient factors will soon be relieved after the lifting of the relief.