Jingo is the trade name, generic name sildenafil citrate tablets, no treatment of premature ejaculation effect, but on erectile dysfunction has a certain therapeutic effect, the specific use of medication as prescribed by the doctor. Sildenafil citrate tablets are oral medications for the treatment of erectile dysfunction type 5 phosphodiesterase selective inhibitors. It is not used for the treatment of premature ejaculation, the treatment effect on premature ejaculation is not good, and for premature ejaculation can choose to take dapoxetine hydrochloride and other drugs. Note that sildenafil citrate tablets should be contraindicated in patients who are allergic to the product, patients taking any dosage form of nitrates, patients taking guanylate cyclase agonists (e.g., levocetirizine), and used with caution in patients with cardiovascular disease. Adverse reactions such as visual abnormalities, nasal congestion, back pain, myalgia, headache, flushing, dyspepsia, nausea, and dizziness are common after administration of the drug, and are mostly mild to moderate and transient in duration. Specific medication should be administered under the guidance of a specialist.