Most of the facial reddish-purple is caused by strenuous activity, emotional stress and excitement, which leads to increased heart rate and blood pressure, as well as expansion and congestion of the facial skin. What are the causes of facial reddish purple: Progressive hemifacial atrophy: Progressive hemifacial atrophy, also known as Parry-Romberg syndrome, is a progressive unilateral facial tissue dystrophy of unknown etiology, manifesting as chronic progressive tissue atrophy on one side of the face, with a few The lesion may extend to the limbs or trunk, and is called progressive hemianopsia. The pathology is characterized by focal chronic progressive atrophy of subcutaneous fat and connective tissue on one side of the face, without involvement of muscle fibers, or in severe cases, cartilage and bone. The etiology is unknown, some scholars believe that the disease is related to sympathetic nerve dysfunction, and there is a specific defect in the gene controlling sympathetic nerve, which causes neurotrophic disorders in facial tissues and finally leads to facial tissue atrophy, some patients present Horner’s sign, other theories involve local or systemic infection, trauma, trigeminal neuritis, connective tissue disease and endocrine disorders. Facial palsy lip swelling cracked tongue syndrome: Facial palsy lip swelling cracked tongue syndrome, also known as Melkersson-Rosental syndrome, sometimes associated with megacolon, otosclerosis and craniopharyngioma, suggesting a neurotrophic connection, is familial, so it is now believed that the disease is inextricably linked to invisible genetics of chromosomes. Emotional excitement: Tension is the strengthening of the body’s response to external things, both mentally and physically. We know that moderate tension is necessary for our life and survival, but excessive tension makes sleep disturbance, thinking power and attention can not be concentrated, and in serious cases can cause headache, heart capture, abdominal and back pain, fatigue and other symptoms. Phytodystrophy: It is a group of symptoms caused by prolonged mental tension, psychological stress, anger and mental stimulation. It is caused by prolonged mental tension and psychological stress, as well as after anger and mental stimulation. Phytodystrophy is a syndrome of dysfunction of internal organs. It includes symptoms of circulatory system function, digestive system function or sexual dysfunction, and is mostly caused by psychosocial factors that induce temporary dysfunction of some physiological functions of the human body and related changes in neuroendocrine without corresponding pathological changes in the tissue structure.