Low-salt diet: salt, is an important culprit to make the kidney burden increased. 95% of the salt in the diet is metabolized by the kidneys, too much intake will increase the burden on the kidneys, plus the sodium in salt will lead to the body’s water is not easy to discharge, not only to form or aggravate edema, and further aggravate the burden on the kidneys, thus leading to the decline in kidney function. In addition, there is a very important issue, too much salt intake can not only make blood pressure rise, but also make antihypertensive drugs not effective, is the most common cause of persistent hypertension. High blood pressure is the main factor that promotes the chronicity of glomerular disease, and is the main culprit in the formation or aggravation of renal function damage. Therefore, low-salt diet is an important aspect that patients with chronic kidney disease must pay attention to. Low-salt diet should not only pay attention to cooking soup and cooking with less salt, but also to eating snacks, five spice melon seeds and other details. Song Chun-dong, Department of Nephrology, The First Affiliated Hospital of Henan College of Traditional Chinese Medicine Pay attention to the strict restriction of salt intake, and when diuretics are repeatedly applied due to edema, hyponatremia can easily occur, and edema can also occur.