Which one is better for lowering blood pressure than prazosin hydrochloride is still inconclusive, and needs to be selected according to its indications and individual conditions. 1. Prazosin hydrochloride is commonly used clinically for mild and moderate hypertension, and is also commonly used in patients with hypertension combined with hyperlipidemia. It is also used in congestive heart failure, ergotamine overdose. Hypotensive shock, vertigo, dizziness, constipation, dry mouth and other adverse reactions may occur, pregnancy, lactating women should be used with caution. 2. Doxazosin is effective in mild or moderate hypertension combined with hyperlipidemia or prostatic hypertrophy. Adverse reactions such as dizziness, headache, nausea and vomiting may occur, and it is contraindicated for those who are allergic to this product. Prazosin hydrochloride and Doxazosin belong to the alpha receptor blockers, which are less clinically used and have more side effects. The above drugs should be used under the supervision of a doctor if needed.