Regardless of men and women generally urinate 4~6 times a day, nocturia 0~2 times is normal, the general average of 2~3 hours a day to urinate once normal, but drinking too much water can be caused by shortening the time of urination. Normal human urine every day by diet, endocrine function, mental factors and many other factors, even if a healthy person, the amount of urine as well as the time of urination is also very big changes. Theoretically, the general daily urination 4~6 times, night urination 0~2 times, but increased water intake, mental stress, etc. can cause urination become frequent, no other abnormal symptoms, do not need to carry out treatment; if frequent urination at the same time, accompanied by urinary pain, urinary urgency and other abnormal symptoms, then it may be related to urinary tract infections. When the frequency of urination increases and is accompanied by abnormal symptoms, the cause can be clarified under the guidance of a doctor in order to actively treat.