In recent years, the incidence of chronic kidney disease is increasing year by year, and the incidence in some areas has been as high as 10%. Kidney disease is an insidious disease, the disease itself is not easy to find, coupled with the warm weather, outdoor exercise intensity increases, the body can not adapt to a moment, the body’s immunity is reduced, easily lead to body damage. What are the symptoms of kidney injury 1, the color changes, urination appears hematuria, the color is light pink, dark red or soy sauce color. 2, the shape changes, urine presents fine foam, and is not easy to disperse. 3, the volume of urine changes, the number of urination increases or decreases, presenting symptoms such as frequent urination, urinary urgency or difficult urination. In addition, some patients may also experience discomfort in the lower back and edema in both eyes and face, face or ankles. More serious patients may experience weakness and inability to eat. When these conditions occur, you need to go to a regular hospital for medical consultation in a timely manner. What are the routine tests when you go to the doctor 1. Check the urine routine, look at the color, transparency and cell value of the urine, check whether there is hematuria, proteinuria and abnormal cell value; 2. Blood test, check the kidney function. The most common indicators of kidney function are blood creatinine, blood urea nitrogen and blood uric acid. In the case of kidney function problems, small molecules of toxins can not be excreted, which is expressed in the blood as elevated blood creatinine values; 3, double kidney ultrasound, observe the size of the kidneys, the thickness of the sebum, the medullary interstitial is not clear, there is no hydronephrosis, stones or other lesions. How to save acute kidney injury Kidney injury is different from the common strains and sprains in exercise, there may be no obvious symptoms at the time, often manifested only afterwards. If you sweat a lot during exercise, but not timely hydration, it is possible to cause acute kidney injury due to insufficient intake. Rescue is mainly rehydration, hydration, and then some electrolytes, after rest and treatment can slowly recover. The importance of prevention is greater than cure 1, to ensure a balanced diet state, the diet should be reasonable, vitamins, proteins and carbohydrates should be balanced intake. 2, the intensity of exercise should be gradual, slowly improve the adaptability. 3, it is recommended to develop good habits, prohibit smoking, alcohol and spicy stimulating diet, and replenish water 2000~2500ml per day.