The possible causes of recent hand swelling are renal system diseases, such as acute nephritis, chronic nephritis, acute interstitial nephritis, diabetic nephropathy, lupus nephritis, hepatitis B-related kidney, purpura nephritis, etc. It is also necessary to exclude other system diseases, such as cardiac insufficiency, liver insufficiency, allergic causes, infectious factors, drug-induced swelling, hypothyroidism, etc. Therefore, it is recommended that hospital visits can be made to improve urinary routine, blood routine, blood liver and kidney function ion, thyroid function, 24-hour urine protein quantification, urinary ultrasound and other tests to clearly diagnose the disease and give reasonable treatment.