The present invention relates to an universal plasma, originating from a mixture of plasmas originating from donor individuals of blood groups A, B, AB and/or O and compatible with all the blood groups and the preparation process thereof.本發明係關於一種通用血漿,其係源自一源自血型A、血型B、血型AB及/或血型O之捐贈者個體之血漿之混合物,且係相容於所有血型;以及其製備方法。