Most of the symptoms of urinary frequency and urgency in daily life are manifestations of infectious diseases of the urinary and reproductive systems, but in addition to prostatitis, urethritis, cystitis and other infectious diseases of the genitourinary system, a number of other diseases such as urinary stones and other non-inflammatory stimuli may also cause urinary frequency and urgency symptoms. Urinary stones are a common disease of the urinary tract. Stones can be found in any part of the kidney, bladder, ureter and urethra, but kidney and ureteral stones are common. Clinical manifestations vary depending on the location of the stone. Typical manifestations of kidney and ureteral stones are renal colic and hematuria, while bladder stones are mainly characterized by dysuria and painful urination. However, life is not all patients with urinary stones have the typical clinical manifestations of stone disease, the onset of bladder irritation is often manifested in the early stage of symptoms (urinary frequency and urgency of urination and pain), and even many patients only have a slight frequency and urgency of urination, so people often do not pay attention to, until the stone grows to a certain extent, the emergence of obvious renal colic, hematuria and other serious and / or the typical manifestations of stone disease time It is only then that they go to the hospital for consultation. What are the causes of urinary stones leading to urinary frequency and urgency? It is different from the usual infectious etiology, but is caused by non-inflammatory irritation of the urinary tract due to the presence of stones. As long as the stones are not cleared, the symptoms of urinary frequency and urgency will also be present. When stones are combined with urinary tract infections, not only frequency and urgency of urination can occur, but also accompanied by urinary pain and typical bladder irritation symptoms. However, when the ureteral stone is located in the inner section of the bladder wall, frequent, urgent and painful urination can occur even in the absence of urinary tract infection.