There are more symptoms of poor kidney function, common symptoms include edema, hypertension, abnormal urine output and so on. 1. Edema: Patients with poor renal function will suffer from decreased colloid osmotic pressure in blood vessels and decreased glomerular filtration rate due to decreased renal function, which will lead to the accumulation of excess water in the body, thus causing edema. 2. Hypertension: patients with poor renal function will suffer from decreased excretory function of the kidneys due to substantial lesions in the kidneys, triggering water and sodium retention. Under the above circumstances, if the patients are not sensitive to diuretic treatment, it will lead to increase in blood pressure and cause related discomfort symptoms. 3. Abnormal urine output: poor kidney function will lead to excretion obstacles, the body’s water can not be excreted in a timely manner, the most direct changes include a decrease in the amount of urine, 24-hour urine output of less than 400 ml can reach the standard of oliguria. There are many symptoms of poor kidney function, other than those listed above, there are also symptoms such as fatigue, bloating, nausea, vomiting and etc. If you have any discomfort, it is recommended to go to a doctor in time. If any discomfort occurs, it is recommended to go to regular hospitals for consultation and standardized treatment according to the doctor’s instructions.