Jingo is the trade name for the generic name Sildenafil Citrate, which has no therapeutic effect on premature ejaculation. The indication for Sildenafil Citrate is erectile dysfunction in men. It has no therapeutic effect on premature ejaculation and should not be applied arbitrarily. Patients with premature ejaculation should go to the hospital and follow the doctor’s instructions to choose the appropriate treatment. If medication is needed, 5-hydroxytryptamine reuptake inhibitors such as dapoxetine can be chosen. Common adverse reactions to sildenafil citrate include rash, dizziness, diarrhea, headache, dyspepsia, nasal congestion, urinary tract infection and visual abnormalities. This drug is contraindicated in people who are allergic to this drug; it is contraindicated during the application of drugs such as guanylate cyclase agonists and nitrates. The cause of erectile dysfunction should be examined before using the drug. For patients who need to use the drug, it is important to follow the doctor’s instructions. Any adverse reactions are recommended to seek medical attention as soon as possible.