Chinese herbal formulas that can assist in hair regrowth include Four Substance Soup and Right Angelica Pill. According to Chinese medicine, kidneys are responsible for the production of bone and marrow (meaning that kidneys control the production of bone marrow and affect the growth and development of bones), and its splendor is in the hair, which is the rest of the blood. Kidney deficiency or blood deficiency can lead to hair loss, so it is necessary to choose the appropriate Chinese herbal formula according to the cause of hair loss. If hair loss is caused by blood deficiency, you can take a formula such as Four Substance Soup. Four Substances Soup tonifies blood and enhances qi, and has a certain auxiliary therapeutic effect on hair loss. It should not be taken by women during pregnancy or patients with fever. If the hair loss is caused by kidney deficiency, you can take the formula of Right Angelica Pill. Right Angelica Pill has the effect of warming the kidneys and strengthening the yang (warming and tonifying the yang qi in the kidneys), filling the essence and marrow (replenishing the essence of essence and promoting the development of the bone marrow), which can make the kidney essence sufficient to nourish the hair and promote the growth of the hair. Right Angelica Pill should be used with caution for those who are suffering from yin deficiency (deficiency of yin essence in the body, resulting in hyperactivity of deficiency fire), heart-kidney disharmony (heart fire and kidney yin deficiency, dysfunction of the physiological functions of the heart and kidneys), and dampness-heat subluxation (invasion of intestines, bladder, yin, lower limbs, etc. by the evils of dampness and heat) which disturbs the vital essence chambers. During the use of Chinese medicines for hair growth, it is necessary to use medicines under the guidance of traditional Chinese medicine practitioners, combining with the identification and treatment of traditional Chinese medicine, and choosing the appropriate Chinese medicine prescription, and not to blindly use medicines on their own, so as not to cause physical discomfort.