1. Acute is exsanguine the configuration of red blood cell that causes anemia belongs to normal cell model; 急性失血引起贫血的红细胞形态属正常细胞型;
2. Exsanguine namely much but drag in heart, liver, lienal, kidney, cause kind of happening that card awaits. 失血即多又可累及心、肝、脾、肾,引起本类证候的发生。
3. Chronic and exsanguine often accompany at the same time have be short of iron, reason anaemia is anaemia of the sex that be short of iron mostly, belong to cellule low pigment. 慢性失血常同时伴有缺铁,故贫血大多为缺铁性贫血,属小细胞低色素型。