Blood stasis constitution (BSC) is one of the basic constitutional types of human beings. On the base of natural gift, under the influence of postnatal factors, in the course of growth and development, it has formed gradually an individual feature as the block or the stasis of blood. BSC can be shown by form-structure, organ function and psychological quality. It has affectability of some certain onset factors and tendency of syndrome types after onset. It has 2 types—physical and pathological BSC. Physical...