Buckwheat has the effect of clearing heat and detoxification, drainage of pus and removal of blood stasis. According to Chinese medicine, buckwheat is pungent, astringent, cool, attributed to the lung meridian, with heat detoxification, drainage of pus and stasis, can be used with honeysuckle, Xiaku Cao, chrysanthemum for the treatment of tonsillar abscess, can be used with Scutellaria baicalensis, apricot kernels, winter flowers, Sang Bai Pi for the treatment of phlegm-heat internal obstruction caused by pneumonia, can be used with Lemongrass Root, Coix lacryma, fritillaries, Dongguan Zi, and other treatments for lung abscesses. It should be noted that the medicinal properties of gold buckwheat are cold, so it is not suitable for patients with cold spleen and stomach, which may lead to abdominal pain and diarrhea. Single drugs play a limited role, usually grouped application, should be used under the guidance of a doctor to identify the evidence, to avoid blind use, affecting the health of the body.