High blood pressure symptoms in patients after kidney transplantation may be chronic rejection reaction caused by chronic transplantation of kidney dysfunction, at this time, patients should draw blood for blood creatinine, urea nitrogen level, to clarify whether the kidney has abnormal function, and at the same time, check the urine routine, to clarify the level of urinary protein. Other factors are due to the transplantation of the kidney, caused by the urinary system stones, obstruction in the ureter, causing the kidney to produce urine abnormalities, can also cause the blood pressure rise. At this time, patients should check the ultrasound of the transplanted kidney to clarify whether there is any urinary obstruction caused by this problem. As for the elevated blood pressure after kidney transplantation, patients should go to the hospital for examination in time to clarify the specific cause of the disease, which is not necessarily chronic rejection, caused by elevated blood pressure. There are also factors that the body has primary hypertension, as long as the blood pressure can be controlled by oral antihypertensive drugs.