Blood deficiency is a TCM evidence type, while withered yellow usually refers to yellowish and withered skin without luster, a common symptom of blood deficiency. Blood deficiency is a common TCM syndrome, which is characterized by a lack of color (pale or yellowish), insomnia and forgetfulness, dizziness and blurred vision. Common subtypes of blood deficiency include heart-blood deficiency (heart-blood insufficiency) syndrome, and qi-blood deficiency syndrome. 1. Heart-blood deficiency: manifested as pale face, palpitations (rapid heartbeat, often accompanied by panic), dyskinesia (violent heartbeat, panic), forgetfulness, insomnia and dreaminess. 2. Qi and blood deficiency: often manifested as colorless face, lack of breath and lazy speech (lack of strength, do not want to talk), shortness of breath, fatigue, insomnia and forgetfulness, numbness of the hands and feet, and so on. Blood deficiency and yellowing should be timely to the regular hospital to seek medical treatment, in the Chinese medicine practitioner under the guidance of the identification of medication, so as to avoid delays in the condition.