Gua Lou (Trichosanthes fruit) - clears phlegm-heat, unbinds the chest and moistens the intestines.

Jie Geng (Platycodon) - opens the Lung, expels phlegm, benefits the throat and guides herbs upward.

Tian Nan Xing (Arisaema) - dries wind-phlegm and stops spasm and convulsion.

Ban Xia (Pinellia) - the principal herb for drying damp-phlegm, descending rebellious qi and stopping vomiting.