The source is from the dried rhizome of Zingiber of ficinale (Willed.) Rosc., family Zingiberaceae. The medicinal herb is prepared by cutting dry ginger into pieces which is stir-baked with strong-fire into burnt-yellow or blackish of the surface and dark brown of the interior.

Medicinal Properties: Bitter and astringent in flavor, warm in nature and attributive to the spleen and liver meridians.

Actions: Warm channels to stop bleeding and warm the middle energizer to alleviate pain.

Application
1. It is used for haematemesis, hematochezia and metrorrhagia and metrostasis of asthenia-cold type. For asthenia-cold of the thoroughfare and conception vessels and metrorrhagia and metrostaxis, it is combined with Zonglitan (Petiolus Trachycarpi, charred), Wumei (Fructus Mume) and others that stop bleeding by astringents; besides, it is usually combined with Renshen (Radix Ginseng), HuangQi ( Radix Astragali ), and Fuzi (Radix Aconiti Lateralis Praeparata ), etc. to replenish qi and yang and stop bleeding by warming channels.
2. For abdominal pain and diarrhea of asthenia-cold type, it is used alone or together with
Fuzi (Radix Aconiti Praeparata ); for postpartum deficiency of blood and stagnation of cold with lower abdominal pain, also with Danggui ( Radix Angelicae Sinensis ), Chuanxiong (Rhizoma Chuanxiong), etc., such as Shenghua Tang (Decoction).

Usage and Dosage: 3 - 6 g is used in decoction for oral use.