If you have swollen feet at 35 weeks of pregnancy, you should exclude pathological changes, such as hypertension, high blood pressure will affect the kidneys, the phenomenon of swollen feet, you should promptly check the blood pressure, if the blood pressure is too high, you should check the urinary routine, you should also do the kidney function test, to determine the condition, and then take measures to treat the symptoms. The swollen feet caused by hypertension should be controlled with antihypertensive drugs, and a low-salt, low-fat diet is also needed in general. If the blood pressure is not high, it is normal to have swollen feet, because in the middle and late stages of pregnancy, due to the enlargement of the uterus to compress the inferior vena cava, resulting in obstruction of reflux, the phenomenon of swollen feet will occur. You should pay attention not to stand for a long time and rest on your side to promote blood circulation and reduce the phenomenon of swollen feet.