Polygoni Milletii Rhizome compositions and methods of preparing the same

A method of preparing a Polygoni Milletii Rhizome tincture comprising:

• mixing 10-20 parts by mass of Polygoni Milletii Rhizome, 10-20 parts by mass of Gentianae Macrophyllae Radix, 5-10 parts by mass of Achyranthis Bidentatae Radix, 20-30 parts by mass of Salviae Miltiorrhizae Radix Et Rhizoma, 10-20 parts by mass of Acanthopanacis Cortex, 5-10 parts by mass of Valerianae Officinalis Rhizoma Et Radix, 5-10 parts by mass of Sambuci Rhizoma, and 5-10 parts by mass of Ampelopsis Humulifoliae Cortex to form a first mixture;
• extracting the first mixture with 70-90% ethanol under reflux condition to obtain a first extract solution;
• mixing 30-50 parts by mass of Angelicae Sinensis Radix, 20-30 parts by mass of Paridis Rhizoma, 1-3 parts by mass of Qingwaqi (Iris tectorum Maxim.), 1-3 parts by mass of Aconiti Radix, 1-3 parts by mass of Aconiti Kusnezoffii Radix, 1-3 parts by mass of Aconiti Penduli Radix, 1-3 parts by mass of Panacis Majoris Rhizoma, 5-10 parts by mass of Trachelospermi Caulisetfolium, 5-10 parts by mass of Aconitisungpanensis Radix, 5-10 parts by mass of Aucklandiae Radix, 5-10 parts by mass of Olibanum, 1-3 parts by mass of Daphnes Cortex, 1-5 parts by mass of Chloranthi Radix Et Rhizoma, 1-5 parts by mass of Hylomeconis Rhizoma, 10-20 parts by mass of Eucommiae Cortex, 5-10 parts by mass of Carthami Flos, 1-5 parts by mass of Silene Radix, 5-10 parts by mass of Myrrha, 1-5 parts by mass of Lycopodii Herba, 5-10 parts by mass of Polygoni Suffulti Rhizoma, and 5-10 parts by mass of Tupistrae Rhizoma to form a second mixture;
• extracting the second mixture with 50-70% ethanol to obtain a second extract solution;
• and
• mixing the first extract solution with the second extract solution to obtain the Polygoni Milletii Rhizome tincture.