2. Fill in the health inquiry form, and then do some necessary tests, such as blood pressure, pulse and weight.
3. Take ear blood or venous blood 1ml to detect blood-borne diseases such as blood type, hemoglobin, transaminase, hepatitis B and syphilis. Component Blood donation platelet count should be ≥ 150* 10 9/l, and hematocrit should be ≥3.6.
4. After passing the test, you can donate blood. It takes only 3 minutes to donate 200 ml of blood and less than 6 minutes to donate 400 ml of blood. Therefore, donating blood is a very easy thing. Donation 1 therapeutic dose of mechanical platelet collection takes 60 minutes.