Pregnant women with right hydronephrosis in the clinical relief methods include the following two aspects: First, physiological right hydronephrosis, with the prolongation of pregnancy fetus slowly grows, resulting in an increase in the volume of the uterus, thus compressing the right ureter, resulting in right hydronephrosis, it is recommended that pregnant women sleep in a left-sided position, which can reduce the pressure of the uterus on the right ureter, thus relieving right hydronephrosis, after delivery, with the volume of the uterus With the gradual recovery of uterine volume after delivery, the right hydronephrosis will be relieved and disappear naturally. Second, pathological right hydronephrosis, mainly caused by kidney stones, ureteral stones, inflammation of the urinary system or even tumor compression, should be carried out as soon as possible, but the principle is not to affect the health of the pregnant woman and the fetus, clear the cause as soon as possible after surgery to remove the cause, so as to relieve or cure hydronephrosis.