Waist disease is actually kidney disease, and kidney disease is also known as the invisible killer, because early patients may not have specific manifestations, often only manifesting as lumbar discomfort and weakness. First, the most common is the performance of the digestive tract, patients may often appear nausea, vomiting, loss of appetite, etc. Seriously, there will be the performance of gastrointestinal bleeding such as vomiting blood, black stool, or the performance of peptic ulcer such as epigastric pain; second, patients may appear edema, early patients may only show edema of the eyelid, with the aggravation of edema, patients will appear generalized swelling as well as swelling of both lower limbs; third, patients Patients may have proteinuria and hematuria, and proteinuria may be manifested as an increase in foamy urine, and generally patients rarely show visual hematuria, only red blood cells can be seen under the microscope; 4.