The internal department uses more blood components than surgical departments and there will be a decrease in 2021 compared to 2020, with the corresponding proportion of red blood cell, frozen plasma, fresh frozen plasma, platelet and others in 2020 is 34.61%, 36.62%, 35.54%, 52.89%, 27.78% and in 2021 it is 35.55%, 44.22%, 28.18%, 45.42% and 15.38%.