The invention discloses a compound 
plant-caused 
transdermal patch for treating prostatic 
hyperplasia and a preparation method thereof. The 
transdermal patch comprises the main components of, by weight, 20 parts of African pygeum extract, 20 parts of serenoa serrulata extract, 12 parts of 
pumpkin seed oil, 11 parts of 
tribulus terrestris extract, 12 parts of 
eurycoma longifolia extract, 12 parts of 
boschniakia rossica extract, 12 parts of cherokee rose fruit extract and 1 part of 
polyvinylpyrrolidone. A preparation method includes the concrete steps of dosing, 
coating, covering and 
punching. In combination with the effects that the kidneys are invigorated, Yang is strengthened, qi is benefited, 
blood circulation is promoted, essence is secured, 
urination is reduced, and sterilization, 
inflammation prevention, swelling 
elimination, 
hormone regulation and tissue proliferation restraining are carried out, the 
transdermal patch comprehensively improves internal and external physiological states of the 
prostate at the physiological level of molecules, eliminates 
inflammation and proliferation, and recovers the 
prostate body; direct transdermal patching on the focus is adopted, the internal illness is treated by external treatment, in this way, 
medicine penetration and 
medicine absorption are effectively achieved for the 
prostate, and the 
pathological conditions of the prostate are directly improved for a patient.