Chinese Schinzostachyum Tabasheer Classic Formulas

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Clears heat and transforms phlegm - Tian Zhu Huang is used when hot, sticky phlegm obstructs the chest, throat, or orifices and produces gurgling sputum, difficult expectoration, cough, or wheezing.
Clears the Heart and calms fright - it is classically directed to phlegm-heat disturbing the spirit, with agitation, restlessness, impaired consciousness, or fright in children.
Settles convulsions and opens blocked orifices - traditional indications include infantile convulsions, epilepsy, wind-stroke with phlegm obstruction, aphasia, and collapse patterns in which heat and phlegm close the sensory portals.
Gentle pediatric phlegm-heat support - compared with stronger bamboo medicinals like Zhu Li, Tian Zhu Huang is often described as the milder, more suitable choice for childhood phlegm-heat convulsive disorders.

Bao Long Wan - classic pediatric formula in which Tian Zhu Huang is paired with Dan Nan Xing, Zhu Sha, and aromatic-opening medicinals for infantile convulsions and phlegm-heat obstruction.
Tian Zhu Huang with Huang Lian, Shi Chang Pu, and Yu Jin - traditional pairing logic for epilepsy, stroke, or coma due to phlegm-heat obstructing the orifices.
Tian Zhu Huang with Gua Lou, Zhe Bei Mu, and Ma Dou Ling - respiratory phlegm-heat strategy for cough, difficult sputum, and constrained Lung Qi.

TCM Wiki describes Tian Zhu Huang as sweet and cold, entering the Heart and Liver channels, with actions of clearing and resolving heat-phlegm while clearing the Heart and calming fright.
The same source highlights two core indication groups: infantile convulsions, apoplexy, epilepsy, and unconsciousness due to phlegm-heat; and cough or dyspnea due to phlegm-heat.
American Dragon similarly portrays Tian Zhu Huang as gentler than Zhu Li while particularly useful for childhood convulsions, phlegm-heat wheezing, aphasia, and loss of consciousness due to internal phlegm-heat.