Chronic kidney disease is currently categorized into 5 stages based on glomerular filtration rate. Stage 1: Glomerular filtration rate ≥90ml/(min-1.73m²). Stage 2: Glomerular filtration rate of 60-89ml/(min-1.73m²). Stage 3: Glomerular filtration rate is 30~59ml/(min-1.73m²). Stage 4: Glomerular filtration rate is 15~29ml/(min-1.73m²). Stage 5: Glomerular filtration rate is <15ml/(min-1.73m²). Patients with chronic kidney disease are recommended to go to regular hospitals in time and receive standardized treatment under the guidance of doctors.