A. Foamy urine is proteinuria Foam can also occur when the concentration of urea in the urine is high. A simple way to distinguish is that the foam covered with protein urine is fine and viscous and does not dissolve easily right away. Second, frequent urination is kidney disease In the early stages of kidney disease, frequent urination does occur because the kidneys’ ability to concentrate decreases and more water is needed to get rid of metabolites. However, frequent urination may also be caused by other reasons, such as psychological frequent urination, cystitis or urethritis, etc. Third, kidney deficiency is equal to poor kidney function Kidney deficiency is a term used in Chinese medicine, while kidney function refers to the function of the kidneys in removing metabolic waste from the body and regulating electrolyte and acid-base balance in the body. The two cannot be equated. Fourth, cloudy urine represents kidney deficiency The most common reason for cloudy urine is that the body has consumed too much protein, resulting in increased phosphate and uric acid content in the urine. Other possible causes include celiac disease, bacterial infections, etc. Five, eat kidneys for kidney The kidneys of animals or poultry, the main component is protein, and other parts of the meat nutritional value is about the same. Six, hematuria must be a kidney problem Hematuria may be a symptom of hemorrhagic cystitis or even malignant tumor, not necessarily a kidney disease. The presence of hematuria must be seen in time to determine the cause. Seven, kidney disease is not hereditary Most of them are not, but kidney diseases such as polycystic kidney and congenital abnormalities of renal tubules are hereditary. Eight, swollen calves is a manifestation of kidney disease Most edema has nothing to do with kidney disease. Hot weather, high stress, long standing and sitting may induce idiopathic edema. Even pathological edema may be triggered by diseases such as varicose veins in the lower limbs and abnormal thyroid function. Nine, back pain is a symptom of kidney disease Most of the back pain is not caused by kidney disease, unless the kidneys have infection, stones or edema, etc., there will be no back pain. Low back pain is more likely to be a skeletal muscle problem. In addition, diseases such as pancreatitis can also lead to the appearance of low back pain.