In Buyanghuanwu decoction group, 60 g danggui (Radix Angelicae Sinensis), 30 g taoren (Semen Persicae), 30 g chuanxiong (Szechwan Lovage Rhizome) were selected, 720 mL water was added, and volatile oil was extracted for reserving.

• 补阳还五汤组选用当归60g,桃仁30g,川芎30g,加水720mL,提取挥发油,备用。