Answers: A, C, D

ACD. ① Sini Powder and Sini Decoction belong to different formulas. Sini Powder can clear away evil and relieve depression, soothe the liver and regulate qi: licorice, citrus aurantium, Bupleurum, and peony; Sini Decoction can suppress yang and relieve qi: aconite, dried ginger, and licorice. ② Lizhong Pill: Ginseng, Atractylodes Macrocephala, Dried Ginger, Zhigancao; Lizhong Decoction: Ginseng, Atractylodes Macrocephala, Dried Ginger, Zhigancao - strong medicinal power. ③Shixiao Powder and Shixiao Pills are different prescriptions: Shixiao Powder activates blood circulation to relieve fatigue, dissipates stagnation and relieves pain. All the pains treated by this prescription are caused by internal stasis of blood and poor blood flow. The combination of Wulingzhi and Puhuang in the prescription can activate blood circulation, remove blood stasis, unblock blood vessels, and relieve blood stasis and pain. When decoction with vinegar is used, it can activate the blood vessels and exert medicinal effect to strengthen the effect of promoting blood circulation, removing blood stasis and relieving pain. Shixiao Wan, also known as Zhishi Xiaopi Wan, promotes qi, eliminates pimples, and strengthens the spleen and stomach. ④ Both Yougui Yin and Yougui Pills have the effect of warming the kidneys and replenishing essence, and can treat kidney yang deficiency. However, Yougui Wan contains more deer antlers, dodder seeds, and angelica sinensis than Yougui Yin, instead of licorice, so it is more powerful in warming kidney yang and replenishing essence and blood.