Lips without blood color may be malnutrition, blood loss and chronic diseases and other factors. 1. Malnutrition: refers to the body’s long-term insufficient intake of nutrients, malabsorption or consumption of nutrients increased and led to the body’s growth and development and dysfunction. The main manifestations are obvious weight loss, fat loss, growth retardation, dry hair easy to fall off, fatigue, yellow skin, white lips and so on. 2. Excessive blood loss: mainly caused by trauma or organ damage, generally the amount of blood loss reaches more than 800 ml, you can appear face, lips pale, cold and wet skin, weakness and other symptoms. If the amount of blood loss continues to increase, it will cause hypoxia, decreased blood pressure, confusion, and even shock coma and other life-threatening. 3. Chronic disease factors: such as some liver disease, kidney disease, diabetes and some chronic wasting disease caused by anemia caused by the patient mostly manifested as white lips, yellow skin, there will be dizziness, fatigue, rapid heartbeat, panic and other symptoms. Therefore, when the symptoms of bloodless lips occur, accompanied by the above mentioned discomfort, it is recommended to go to the hospital in time to be treated accordingly.