Aplastic anemia, a complicated disease, is generally divided into two typos; acute aplastic anemia and chronic aplastic anemia. Acute aplastic anemia has sudden onset, rapid development and appearance of three symptoms of severe anemia, bleeding and infection in a short time, and clinically marked by persistent high fever with thirst, sweating without the subsidence of fever, profuse gingival and nasal bleeding with purple colour, large patches of subcutaneous ecchymosis, etc.

The disease can be treated according to the syndrome of consumed bone marrow due to warm-heat pathogen. Chronic aplastic anemia has slow onset and development, mild bleeding and infection besides the main manifestations of anemia. The disease is clinically divided into two major syndromes: yin deficiency of the kidney and yang deficiency of the kidney. The former mainly manifests sallow complexion, feverish palms and soles, hectic fever, night sweat, nasal bleeding, gingival bleeding, marked subcataneous bleeding, red tongue with a little fur, thready and rapid pulse; the latter is marked by pale complexion, aversion to cold, cold limbs, spontaneous sweat, loose stools, inapparent bleeding, pale tongue with dental marks, deep and thready pulse.