Phlegm and stasis blocking the channels is an evidence type, not a symptom. Formulas that activate blood circulation and remove blood stasis and activate channels and collaterals can be used, such as Tongjiao and Blood circulation Tang and Shuanghe Tang. Clinical symptoms of phlegm and stasis obstruction include headache, chest pain or limb pain with fixed location; sometimes there may be dark purple skin with petechiae and ecchymosis; or there may be excessive phlegm in the throat, chest tightness and other discomforts. 1. If phlegm and blood stasis obstruct the cerebral collaterals, Tongkou Lixin Tang can be used to achieve the efficacy of eliminating blood stasis and generating new blood, activating blood circulation and opening the orifices. This formula is composed of Radix Paeoniae Alba, Rhizoma Ligustici Chuanxiong, Rhizoma Polygonati Odorati, Safflower and Musk. If there are symptoms of fatigue, weakness and low qi, astragalus and radix et rhizoma ginseng can be added; if there are symptoms of heartburn, red face, red tongue and yellow fur, gardenia, forsythia and mint can be added. Adverse reactions and contraindications are not clear. 2. If phlegm and blood stasis obstruct the limbs, Shuanghe Tang can be used to achieve the efficacy of resolving phlegm, dispelling blood stasis, promoting paralysis and opening up the channels. This formula is composed of peach kernel, safflower, angelica, chuanxiong, white peony and raw huangdi. If the pain symptoms are more severe, danshen, hyssop, chickweed vine or insects such as centipede, dilong and scorpion may be added. Adverse reactions and contraindications are not clear. The medication needs to be used by a professional physician after traditional Chinese medicine diagnosis, avoid self-medication to avoid adverse consequences.