Qi and blood deficiency is a collective term for gas and blood deficiency, both gas deficiency performance, but also blood deficiency performance, gas deficiency, often due to dietary disorders, old age and frailty, due to prolonged illness, the clinical manifestations of the function of the internal organs of the decline of the symptoms. Blood deficiency, due to insufficient blood and the loss of internal organs and tissues in the moistening of the symptoms manifested.

The following symptoms will occur when there is a deficiency of qi and blood:

1. Look at the hair: hair black, dense, smooth, shiny on behalf of the qi and blood enough; hair dry, hair loss, white hair, etc. are qi and blood deficiency performance.

2. Look at the eyes: as the saying goes, "the old man is yellow", if the color of the white of the eyes becomes cloudy, yellow, blood, dry eyes, which indicates a deficiency of qi and blood.

3. Look at the sleep: fall asleep fast, sleep, breathing evenly, a sleep to wake up naturally, said that the blood is sufficient; and fall asleep is difficult, easy to wake up, breathing deep or snoring are the performance of the blood and qi deficiency.

4. Look at the skin: skin white with pink, shiny, elastic, no wrinkles, no spot on behalf of the blood. On the other hand, rough skin, no luster, dark, yellow, long spots are on behalf of qi and blood deficiency.

5. Look at the half-moon shape on the nails: under normal circumstances, the half-moon shape should be in addition to the little finger have. If there is no half-moon shape on the fingers or only the thumb has a half-moon shape, it means that the qi and blood are weak.