The application segment of the Qijudihuang Oral Liquid market can be delineated into four principal categories: Traditional Chinese Medicine (TCM) therapy, chronic respiratory support, immune‑modulation, and pediatric health. TCM therapy, which leverages the formulation’s historic role in balancing yin and yang, accounts for the largest share of revenue, reflecting its entrenched use in hospitals and TCM clinics; this aligns with the 45 % share shown in the accompanying pie chart. Chronic respiratory support, driven by clinical evidence of mucolytic and anti‑inflammatory effects, contributes roughly 30 % of total sales, especially in regions with high prevalence of COPD and asthma. Immune‑modulation, targeting age‑related immunosenescence, represents about 15 % of the market, supported by growing preventive‑care prescriptions. Pediatric health, encompassing treatment of febrile and respiratory ailments in children, occupies the remaining 10 %. Together, these application sub‑segments define the overall Qijudihuang Oral Liquid segmentation and illustrate how each use‑case underpins market size dynamics.