The symptoms of foot swelling caused by kidney are mainly swelling at the back of the foot and ankle, and there may also be manifestations related to kidney itself, mainly manifesting as increased foam in urine and hematuria in the naked eye, and may be combined with headache, dizziness and other manifestations of hypertension. In addition to the clinical symptoms of swollen feet, if the plasma albumin level is too low, it may also be accompanied by pleural and abdominal effusion, and the clinical symptoms mainly include chest tightness, shortness of breath, shortness of breath, swelling of eyelids, loss of appetite, and change in the regularity of urination and defecation. The treatment of this condition usually requires the use of immunosuppressive drugs together with diuretic drugs, such as furosemide and ativan.