Baiyunshan Jingo is the trade name and generic name of Sildenafil Citrate Tablets, which is effective in the treatment of erectile dysfunction, with side effects including headache, dizziness, flushing and other symptoms. Sildenafil Citrate Tablet is indicated for the treatment of erectile dysfunction, by selectively inhibiting PDE5, enhancing the nitric oxide (NO)-cGMP pathway, and elevating the cGMP level which leads to the relaxation of penile cavernous smooth muscle, so as to enable the patients with erectile dysfunction to have a natural erectile response to sexual stimulation. Headache, dizziness, flushing, chest pain, angina pectoris, myocardial ischemia, colitis, dysphagia, stomatitis, dry mouth, anemia, hyperglycemia, hypernatremia, arthritis, pharyngitis, sinusitis, photophobia, tinnitus, ophthalmoplegia, eye pain, ocular hemorrhage, cataracts, dry eyes, tinnitus, and other adverse reactions may occur after use of the product, and prompt medical attention is recommended. Women, children, people who are allergic to the product and other people are prohibited, the drug is prohibited from combining with nitrate drugs. Patients who want to use sildenafil citrate tablets are recommended to go to a regular hospital, consult a professional doctor, cooperate with the doctor to complete the relevant examination, and avoid blind use of drugs.