There are more causes of insomnia, but Chinese medicine believes that it is mainly related to internal injuries such as emotion, diet or deficiency of qi and blood, as follows: 1, the emotion is injured or the emotion is inappropriate, such as liver qi stagnation, liver depression, fire, evil fire disturbing the mind, resulting in restlessness of the mind and sleeplessness, or from the five wills are too extreme, the fire of the heart is burning, the mind is disturbed and sleeplessness; 2, the diet is not disciplined, over-eating fatty, sweet and thick taste, breeding phlegm heat, disturbing the mind and sleeplessness, or from Sleeplessness due to sleeplessness caused by the lack of nourishment of the heart and blood; 3. Sleeplessness caused by the lack of blood and nourishment of the heart and blood after illness, old age, long illness, blood deficiency, and blood loss after childbirth; 4. Sleeplessness caused by lack of endowment or sleeplessness caused by the lack of nourishment of the heart and kidney due to the depletion of kidney yin and the deficiency of liver and kidney yin.