Viagra is the trade name, generic name sildenafil citrate tablets, 70-year-old people have a certain therapeutic effect after the use of the drug, the specific efficacy varies from person to person, the use of medication need to follow the doctor’s instructions. Sildenafil citrate tablets are common oral medications for the treatment of erectile dysfunction, it should be noted that they are contraindicated in people who are allergic to the product, people who are taking (any dosage form) nitrate drugs, people who are taking guanylate cyclase agonists (e.g., levocetirizine), and should be used with caution in patients with cardiovascular disorders. The 70-year-old man does not belong to the contraindications of the drug, but this group is a high incidence of cardiovascular disease, there are indications for the use of the drug should be careful to use the drug. 70-year-old men with the use of the drug for erectile dysfunction has a certain therapeutic effect, but the specific efficacy of the treatment varies from person to person. Note that the common adverse reactions are mostly mild and moderate, such as back pain, myalgia, headache, visual abnormalities, flushing, nasal congestion, dizziness, nausea, dyspepsia and so on. The specific use of the drug should be under the guidance of a specialist, and should not be used without authorization.