A positive Rhd blood group identification is just a check to see which blood group you belong to.
Rhd blood type is different from the ABO blood type system other than an independent blood type system, Rh blood type system is the most complex one in the red blood cell blood type, has found more than 40 kinds of Rh antigen, which d antigen is the strongest. rh blood type according to the red blood cell membrane contains d antigen to name, contains d antigen is rh positive blood type, does not contain d antigen is rh negative blood. So Rhd blood type identification for positive is only a way to identify the blood type, in addition to this blood type in daily life, there are also A type B type, AB type or O type and so on.
In China, most people have Rh-positive blood, and only about 1% have Rh-negative blood, which is why rh-negative blood is called panda blood. Because panda blood is rare, the method of blood transfusion is different from other common blood types.
The Rh blood group system is the most complex of the red blood cell blood groups, and the exact blood type needs to be determined by a hospital blood test.