As we all know, nowadays, with the achievements of
medical science, the treatment of organ transplantation
is very common in many big cities in the world. The number
of cases of the organ transplantation in the world per
year is approximately 50,000 heart transplants,
90,000 liver and 450,000 kidney. America, China,
Europe and Australia are the main countries in terms
of mature skill in internal organ transplantation. In
America, the cases are over 2000 for heart transplant,
over 4000 for liver and over 10,000 for kidney in
one year. In Asia, taking the number of kidney transplantation
in the year of 2005 as an example, there are 9,501
in China, 946 in Japan, 870 in Korea and 335 in
Taiwan.