Renal dynamic glomerular filtration rate usually refers to the amount of blood that can be filtered by the kidneys per minute, which is mainly an indicator of renal function. Adult glomerular filtration rate is 80-120ml/min. After 40 years old, with the increase of age, glomerular filtration rate decreases year by year, and at the age of 70 years old, it is about 60% of that of young adults, and there is no corresponding increase in the level of blood creatinine, so that glomerular filtration rate can more accurately reflect the renal function. Decrease in glomerular filtration rate is seen in glomerular damage, and the degree of glomerular filtration impairment can be assessed according to the level of its decrease; glomerular filtration rate is often used to stage renal function to guide treatment, such as according to the glomerular filtration rate of chronic kidney disease is categorized into five phases, to guide treatment. However, glomerular filtration rate has some bias and is not accurate enough in evaluating acute renal failure and recovery stage. For patients with abnormal renal dynamic glomerular filtration rate, it is recommended to go to regular hospitals for consultation and standardized treatment under the guidance of physicians.