Pulmonary hypertension is divided into primary and secondary arterial hypertension. Pulmonary hypertension itself is not very risky, but its complications are fatal and may cause hemoglobinopathy with a high mortality rate within two years. It can now be treated clinically with medications and surgery to relieve the condition. The etiology of primary arterial hypertension is diverse and there is no unified conclusion in the medical community. Primary arterial hypertension is often familial and can cause right heart failure and fatal syncope, and the antihypertensive drugs currently used clinically include aniracetam and treprostinil. It is more common clinically or secondary pulmonary hypertension, chronic obstructive pulmonary disease is the most common cause, pulmonary embolism is also a common cause of aortic hypertension, clinical manifestations of chest tightness, chest pain, mood irritability; can also lead to right ventricular failure, or even shock, treatment of acute pulmonary embolism, the first need for thrombolytic therapy, the general window period in about half a month, during which there may be cardiorespiratory Chronic bronchitis and bronchial asthma are also one of the main causes of pulmonary hypertension. If the bronchitis is more than two years old, anti-infection treatment, bronchodilator and phlegm treatment are usually needed. In short, pulmonary hypertension is more dangerous, the disease can be controlled at the early stage, can be cured, serious may lead to pulmonary heart disease, usually effective care of the lungs, regular checkups.