Small stomach distension urinary frequency and urgency to consider and acute bladder inflammation, chronic prostatitis, urinary stones and other causes related. 1. Acute cystitis: usually occurs in women, because the female urethra has a short, straight, wide characteristics, thus easy to cause bacterial infection. The low immunity of the human body, long-term sedentary, hold urine and other reasons, can make the bacteria through the urethra and infection of the bladder mucosa, resulting in acute cystitis, can appear frequent urination, urinary urgency, lower abdominal distension and pain symptoms. 2. Chronic prostatitis: common in young and middle-aged men, both frequent urination, urinary urgency, incomplete urination, dysuria and other symptoms, often accompanied by lower abdominal discomfort. 3. urinary stones: for example, ureteral stones, in addition to renal colic manifestations, there will be frequent urination, urinary tract irritation symptoms such as urinary urgency, as well as lower abdominal distension and discomfort. It is recommended to maintain a healthy lifestyle, adhere to appropriate exercise to enhance their own resistance. Attention should be paid to personal hygiene, bathing and clothing diligently to minimize infection. If the symptoms are serious, it is recommended to consult a doctor in time to avoid aggravating the symptoms and delaying the condition.