Kidney disease has a high incidence and takes up considerable social resources, so how can kidney disease be prevented and treated? The answer is firstly to detect kidney disease at an early stage, and secondly to go to a regular hospital for regular treatment and follow-up. Today we will talk about how to detect kidney disease at an early stage. Early signs of chronic kidney disease that are often overlooked 1. Eyelid or facial edema in the morning. In severe cases, the inner ankles, lower limbs and lumbosacral area are edematous. Usually, these symptoms are aggravated during exertion, reduced during rest, and mostly subside in the afternoon. 2. The urine is foamy and does not disappear for a long time. This indicates that the urine contains more protein. 3, urine color changes. Normal urine is light beer-colored and transparent, if the urine is thick tea-colored, soy sauce-colored, etc., you should seek medical attention early. 4, elevated blood pressure. Some people have high blood pressure for a long time and no longer feel dizzy, headache and other symptoms, and the blood pressure can only be determined by measuring the blood pressure. 5.Unexplained back pain. 6, too much or too little urine. The average urine volume of a normal person is 1,500 ml/day and urinates 4 to 8 times a day. If there is no fever, heavy sweating, or heavy drinking, but the volume of urine decreases or increases suddenly, prompt medical attention must be sought. 7. nocturia. those under 60 years of age should generally not have nocturia. if nocturia increases in young people, it may be an early sign of poor kidney function. There are many, many tests related to kidney disease, but today we mainly introduce you to the three most commonly used ones: routine urine, kidney ultrasound and kidney function tests. These three tests can be called the “three routines of nephrology”. The tests that can be called “routine” often have the following characteristics: they are convenient, inexpensive, and can reflect a wealth of disease information in a more sensitive way. Urine routine, kidney ultrasound and kidney function tests have this function and feature. Routine urine, renal ultrasound and renal function, which provide preliminary diagnostic information of kidney from urinalysis, imaging and function respectively, are not substitutes for each other and are important, essential yet the easiest and most economical tests for kidney disease screening. We hope all kidney lovers will have these three tests regularly.