The difference between the efficacy of Gui Zhi and Sang Zhi is that the former is mainly used for warming the meridians, sweating and relieving the muscles (relieving the evil on the surface of the skin), while the latter is mainly used for dispelling wind-dampness and benefiting the joints. 1. Gui Zhi: Gui Zhi is the dried shoots of Cinnamomum cinnamomi in the family of Camphoraceae, with the properties of pungency, sweetness, warmth, and attributed to the heart, lung, bladder meridian, whose efficacy is to sweat and relieve the muscle (to relieve the skin of the surface of the evil qi), warming the meridians, assisting yang to transform the qi, and leveling the chong and lowering the qi. Gui Zhi is mainly used in treating wind-cold and flu, cold pain in the epigastrium (feeling cold pain in the stomach and abdomen), menstrual closure due to blood-cold, paralytic pain in the joints, phlegm (pathological product formed by impaired metabolism of water and fluid), oedema, palpitations (accelerated heartbeat, often accompanied by panic), and running dolphin. This product is pungent and warm, easy to injure the yin and move the blood, all external heat disease, yin deficiency fire (deficiency of yin and essence in the body, the emergence of hyperactive fire), blood heat paranoia (heat caused by blood abnormalities out of the evidence, etc.), should be contraindicated. Pregnant women and menstruation should be used with caution. 2. Mulberry Branches: Mulberry Branches is the dried shoots of mulberry plant mulberry, taste slightly bitter, medicinal properties of calm, has a very good wind-dampness, joints, used for rheumatism and paralysis, shoulder and arm, joints, soreness and numbness. For example, rheumatoid arthritis, rheumatoid arthritis caused by pain in the joints of the limbs, frozen shoulder, shoulder joint diseases. This product can also diuretic, can be used for edema, dysuria (irregular urination). If there is any discomfort, it is recommended to go to the hospital in time and use the above medicines under the guidance of professional physicians.