Baiyunshan Jingo is the trade name and generic name of Sildenafil Citrate Tablet, which is used to treat erectile dysfunction. Sildenafil citrate enhances the nitric oxide (NO)-cGMP pathway through selective inhibition of PDE5, elevating cGMP levels and leading to relaxation of penile cavernous smooth muscle, resulting in a natural erectile response to sexual stimulation in patients with erectile dysfunction. It is commonly used in the treatment of erectile dysfunction. Sildenafil citrate tablets may cause headache, flushing, dyspepsia, nasal congestion, back pain, nausea, dizziness, rash and other adverse reactions after use, allergy to the components of this product, cardiovascular and cerebrovascular diseases and other patients are prohibited from using the drug, in the last 6 months with myocardial infarction, malignant arrhythmia, resting state hypotension, unstable angina and other patients should be cautious of using the drug. It is recommended that patients use the drug strictly under the guidance of a physician, and if it is necessary to use with other drugs at the same time, you can consult a doctor in advance.