Kidney urolithiasis crystals may cause harm: 1, is the prerequisite for the formation of stones, and then continue to develop, the further increase of urinary salt crystals can form kidney stones, urinary salt crystals are first attached to the renal papilla above, the volume increases to a certain extent after the fall into the renal pelvis or calyx, then the formation of kidney stones, can cause pain in the kidney area or hematuria and other symptoms. 2, renal salt crystals can cause The chance of kidney infection increases, the urinary salt crystals may contain bacterial nucleating factors or combined susceptibility factors, which can lead to urinary tract infections. 3, can appear white urine, urination can be seen when the crystalline material increases, white urine. There may even be a transient pain in the lower back and abdomen or pain in urination, etc. 4. Long-term formation of urinary salt crystals in the kidneys may cause obstruction of the papillary tubules, resulting in fluid retention or pain in the renal region, localized renal damage and other discomforts.