If the patient suffers from uremia, the following symptoms can appear clinically, such as nausea, vomiting, anorexia, poor appetite, fatigue, deep and large breathing, breathlessness, swelling of the eyelids and both lower limbs, oliguria, lumbago, lower limb twitching, irritability, dizziness and discomfort, coughing pink foamy sputum, increased nocturia and so on. Because the most common causes of uremia formation are glomerulonephritis, hypertensive kidney disease, diabetic nephropathy, interstitial nephritis, etc., so the symptoms are not exactly the same, but generally the first to digestive tract symptoms. It is recommended that patients with the above symptoms actively go to the hospital to check the blood routine, urine routine, ionized kidney function, urinary tract ultrasound, etc., to clarify the disease to prevent delays in the condition, resulting in irreversible consequences.