Conclusions: The initial results of the survey showed that Huangqi appeared mainly in the method of double treatment cubic and Bo Duong Hoan Ngu Thang ancient remedy, which is used in the treatment of diseases such as impaired mobility (stroke sequelae), Bi syndrome (osteoarthritis),... with the main effect of tonic when producing blood and defend externally skin at the same time with a dosage of 10 - 30g.