Excessive liver fire can sometimes cause high blood pressure. Liver fire is also known as liver fire blazing, is one of the identification of traditional Chinese medicine, liver fire blazing evidence is the actual evidence of excessive fire and heat, mostly by the fire and heat of the evil invasion or qi stagnation caused by the fire, to the impatience and irritability, red face, red eyes, dry mouth, bitter mouth, dizziness, swelling and pain, fever, dry stools, yellow urine, yellow tongue, number of pulses and other heat symptoms as the main manifestations. High blood pressure means higher than normal usual blood pressure value. Hypertension is diagnosed when, without the use of antihypertensive drugs, there are 3 office blood pressure values above normal, i.e., systolic blood pressure (commonly known as high pressure) ≥140 mmHg and/or diastolic blood pressure (commonly known as low pressure) ≥90 mmHg, and these 3 blood pressure measurements are not taken on the same day, when the diagnosis of hypertension can be made. The reason is that when liver fire is exuberant there is often agitation, anger tension and other bad emotions, which can increase the excitability of the sympathetic nerves and the renin angiotensin aldosterone system, leading to a faster heart rate and higher blood pressure when cardiac output is increased. Liver fire and high blood pressure are closely related to emotions, so usually have to keep a calm mind, mood is conducive to regulating the body’s fire and blood pressure control.