Pulmonary arteriosclerosis is a kind of arteriosclerosis, which is generally caused by long-term smoking, obesity, genetics and other factors, and patients can be treated with medication, surgery and general treatment under the guidance of doctors. 1. Drug treatment: patients can follow the doctor’s instructions for antiplatelet therapy, commonly used drugs such as Tegretol tablets, aspirin tablets, etc., and also follow the doctor’s instructions for anticoagulation, commonly used drugs such as warfarin sodium tablets, rivaroxaban tablets, etc., and patients can also follow the doctor’s instructions for the use of statin lipid-regulating drugs, such as pravastatin tablets, atorvastatin calcium tablets, simvastatin tablets, etc. 2. Surgery: If the condition is serious and conservative treatment is ineffective, patients can follow the doctor’s instructions for surgical treatment, common surgical treatments include bypass grafting, percutaneous intracavitary balloon dilatation, stent implantation, and so on, and the specific methods need to be selected according to their own situation under the guidance of the doctor. 3. General treatment: patients can improve lifestyle to control the risk factors, patients should quit smoking and drinking, reduce the intake of cholesterol, sugar and saturated fatty acids, avoid staying up all night, and maintain an optimistic mood. Patients should go to the hospital regularly for review, the doctor can adjust the treatment plan according to the review, patients can do some exercise in daily life and keep a happy mood.