Huaijiao Wan is a blackish-brown pill used in Traditional Chinese medicine

Traditional Chinese medicine

Traditional Chinese Medicine refers to a broad range of medicine practices sharing common theoretical concepts which have been developed in China and are based on a tradition of more than 2,000 years, including various forms of herbal medicine, acupuncture, massage , exercise , and dietary therapy...

 to "arrest bleeding by reducing heat from blood in treating hematochezia". It tastes bitter and astringent. It is used where there is "hematochezia, hemorrhoidal swelling and pain". The binding agent is a water-honey solution. Each pill weighs about 6 grams.

Chinese classic herbal formula

Name	Chinese (S)	Grams
Fructus Sophorae (stir-baked)	槐角 (炒)	200
Radix Sanguisorbae (carbonized)	地榆 (炭)	100
Radix Scutellariae	黄芩	100
Fructus Aurantii (stir-baked)	枳壳 (炒)	100
Radix Angelicae Sinensis	当归	100
Radix Saposhnikoviae	防风	100