Before deciding whether to give blood transfusion treatment to hospitalized patients, doctors must evaluate whether the patients need blood transfusion according to the "non-surgical department blood transfusion evaluation form" or "surgical department blood transfusion evaluation form". Evaluation must be carried out by the attending physician and above, and the evaluation form should be signed by the evaluation physician.

Main basis and content: patient complaints; Medical history review; Clinical manifestations; Indications; Clinical laboratory test results; Expected clinical conversion; Patients' informed choice (the attitude of patients to sign the consent form of clinical blood transfusion treatment); Social health and medical insurance; Economy.