Long-term smokers are prone to impotence. But not every smoker will have impotence, there are some individual differences. The main reason is that smoking easily produces a large amount of nicotine, which affects the small blood vessels of the human body, easily leading to atherosclerosis, narrowing of the blood vessel walls, insufficient blood supply to the cavernous body of the penis, resulting in impotence. For this situation, generally need to quit smoking, you can use drugs to promote blood circulation and eliminate blood stasis by following the doctor’s instructions, to improve the blood supply of the penile spongy body, common drugs are sildenafil citrate tablets and so on. However, there are some patients who basically will not have obvious symptoms produced. Therefore, smoking may cause impotence, but it does not necessarily lead to impotence. Daily life need to maintain good habits, it is recommended not to smoke for a long time, should quit smoking, so as not to induce impotence and premature ejaculation. You should also go to the doctor for regular checkups, and if there is any discomfort, you should go to the doctor for checkups and treatments.