Refers to the pathological phenomenon of yin deficiency and blood deficiency in the body. It can be caused by excessive blood loss, chronic illness due to yin deficiency and blood deficiency, dysfunction of spleen and stomach, and Shui Gu's subtle inability to produce blood. Because of the close relationship between qi and blood, blood deficiency is easy to cause qi deficiency, which can not transform blood, and it is also a factor to form blood deficiency. The main symptoms of blood deficiency are sallow complexion, dizziness, palpitation, insomnia and thready pulse.

"Su Wenju's General Theory" said: "The pulse is astringent, which means blood deficiency, and blood deficiency means pain." "Experience Miscellaneous Theory" said: "People with wind pain are good at running, and the pain is nowhere, and those with blood deficiency suffer from this. Its pulse is big and slow ... when it is filled with blood. " Blood deficiency and pain, more common in women.

The cause of disease

Excessive blood loss: Excessive blood loss caused by trauma, menorrhagia or other chronic blood loss can lead to blood deficiency syndrome. Because of excessive bleeding, it will cause blood stasis and internal resistance and block veins for a long time. On the one hand, it will cause rebleeding, on the other hand, it will also affect the generation of new blood and further aggravate blood deficiency.

Improper diet: Overeating, hunger, partial eclipse, malnutrition and other reasons can lead to spleen and stomach damage, unable to produce subtle Shui Gu, insufficient sources of qi and blood, leading to blood deficiency. You can eat beef, black rice and donkey-hide gelatin.