Whether or not hematuria will resolve itself by drinking more water depends largely on the cause of the hematuria. If the hematuria is caused by physiological reasons, or mild urinary tract infection or relatively small urinary stones, drinking more water may cure itself; if the hematuria is caused by serious urinary tract infection or stones, glomerulonephritis, urinary tract tumors and other diseases, drinking more water usually can’t cure itself. Normal people who usually exercise less, after a sudden increase in the amount of exercise may appear exercise hematuria, but this is only transient, after resting or drinking more water, hematuria may disappear; or mild urinary tract infection, pay attention to rest, drink more water, urinary tract infection may be relieved, at this time, hematuria may be self-cured. If it is a serious urinary tract infection or stones, under the premise of drinking more water, but also need to anti-infection, lithotripsy or surgical removal of stones and other treatments, usually can not be cured; glomerulonephritis patients need to actively treat the primary disease, simply drink more water, but also may aggravate the burden on the kidneys, thus aggravating the condition; urinary tumor patients need to be surgical and other related therapies, drink more water hematuria is usually can not be cured. When the patient has hematuria, it is recommended to go to the regular hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to target treatment or treatment.