Smoking may have certain effects on kidney function, long-term smoking may cause kidney ischemia and hypoxia, leading to glomerulosclerosis and so on, and then increase the risk of kidney disease. Cigarettes contain nicotine, nicotine and other harmful ingredients, easily addicted, affecting people’s health. The gas discharged after smoking contains carbon monoxide, which will hinder the combination of oxygen and hemoglobin when inhaled into the human body, resulting in kidney hypoxia. Smoking also leads to kidney ischemia, resulting in glomerulosclerosis, severe impairment of kidney function and increased risk of kidney disease. Smoking does not only affect kidney function, but also other organs. Therefore, you should actively quit smoking, increase physical exercise and get enough rest in order to improve your body’s immunity. Patients with renal insufficiency should go to the hospital in time and get timely treatment under the guidance of professional physicians.