After placing the double j tube can sleep on the side, but in the side sleep to avoid double j tube is compressed. After placing the double J tube, you can sleep on the side, but do not make double J tube compression when sleeping on the side, generally will not cause adverse effects, after placing the double J tube, mainly to avoid strenuous exercise, because in the strenuous exercise, may lead to local damage, easy to cause hematuria, should be more bed rest. Patients should also drink a lot of water every day, more urination, to avoid infection; after the placement of double-j tube, there may be mild pain and hematuria, the duration of a short period of time, usually can be improved by themselves, do not need special treatment. After the double-j tube is installed, hematuria lasts for a longer period of time and there is obvious pain, it should be alerted to infection, and it is recommended to consult a doctor for examination and treatment.