Doxazosin works as an anti-hypertensive, and tamsulosin works by selectively blocking alpha 1 receptors, inhibiting vasodilation, relaxing prostate smooth muscle, and reducing intraurethral pressure. Doxazosin has antihypertensive effects, can control blood pressure, and is suitable for patients with hypertension. In addition, Doxazosin works better when combined with diuretics or beta-blockers and can be used as a first- or second-line drug. Some people may experience side effects such as dry mouth, fatigue, and chest pain when using the drug, and people suffering from acute myocardial infarction or allergies should be prohibited from using this kind of drug. Tamsulosin is an alpha 1-adrenergic receptor blocker, which can be used to treat benign prostatic hyperplasia and reduce symptoms such as dysuria and nocturia. Side effects such as dizziness, headache, nausea, and drop in blood pressure are possible during the use of the drug, and the use of such drugs needs to be prohibited in case of allergy to the ingredients of the Tamsulosin drug. Doxazosin and Tamsulosin are both oral medications and need to be taken as prescribed by the doctor according to individual circumstances.