Astragalus and Red Wind Tang is mainly used for treating joint pains and unfavorable movement caused by Qi deficiency and blood stasis. Astragalus and Radix et Rhizoma Gastrodiae Tang is from Wang Qingren’s “Reform and Error Correction in Medical Sciences”, which consists of Astragalus, Radix Paeoniae Alba and Radix et Rhizoma Gastrodiae Fenghuang. In this formula, Astragalus replenishes qi, Radix Paeoniae Alba assists in replenishing qi to the whole body, and Radix Paeoniae Alba invigorates the blood to promote circulation. This formula is often used in the treatment of joint pain and unfavorable movement caused by qi deficiency and blood stasis. Because there are blood-activating drugs in this formula, pregnant women should be cautious in using it. The adverse effects are not clear. If you need to use medication, it is recommended to go to the hospital in time, under the guidance of a professional physician for treatment, not self-medication, so as not to delay the condition.