Traditional Chinese medicines with the character Huang include ephedra, scutellaria baicalensis, rhizoma coptidis, cypress, astragalus, rhubarb, dihuang, pu huang, and turmeric. Ephedra is pungent and warm in nature, and belongs to the lung and bladder meridians. It can sweat and relieve epidemics (by sweating, it can remove evil qi from the surface of the body), diuretic and eliminate edema (by facilitating the flow of urine and eliminating edema), calm asthma, and disperse cold and stagnation. Huanglian, Scutellaria baicalensis and Huangbai are bitter and cold in nature, which can clear heat and fire (removing heat and fire from the body), detoxify and dry dampness; Scutellaria baicalensis also has the effect of calming the fetus and stopping bleeding, and Huangbai can reduce heat and remove steam. Astragalus has the functions of strengthening the spleen and tonifying the middle, elevating yang and lifting the sun (lifting the yang qi of the body to lift the sunken organs), benefiting qi and consolidating the epidermis, diuretic, and supporting toxin and muscle growth (discharging toxins and evils to promote muscle growth and wound healing). Rhubarb is a laxative, which can pass heat through the internal organs, detoxify the toxins, activate blood circulation and remove blood stasis (promoting blood circulation and eliminating blood stasis in the body), and reduce yellow. Dihuang is divided into Dihuang Raw and Dihuang Cooked. Dihuang Raw is a heat-clearing and blood-cooling (relieving blood heat by clearing away heat) medicine that nourishes yin and generates fluids (nourishing the body’s water and fluids). Radix Rehmanniae Praeparata favors nourishment and can nourish the kidneys and fill in essence (replenish kidney essence). Pu huang can resolve blood stasis, stop bleeding and promote diuresis, while turmeric is to break blood stasis, expel blood stasis and open the meridians (removing blood stasis and unblocking the meridians). Please use the medicine under the guidance of a physician.