People with sufficient qi and blood are characterized by active spirit, rosy complexion and warm limbs.
Qi and blood for the basis of human life activities, qi and blood enough people, qi and blood nourish each other, organs and skin by the moistening, so the performance for the spirit of active, rosy cheeks. Blood circulation is smooth and popular in the limbs, so it is manifested as warm limbs. If the blood and qi are sufficient, the positive qi is strong, and it is not easy to get sick after feeling external evils. Tongue and veins are generally characterized by a light red tongue, thin white moss and flat veins.
People with sufficient qi and blood are balanced between yin and yang, and they should pay attention to their maintenance and quit their bad habits in order to maintain this state. If there is an imbalance of yin and yang and a deficiency of qi and blood, there may be mental fatigue, pallor, and coldness in the limbs.