ZYY-742

1. To explore the efficacy, safety, and unique therapeutic characteristics of ZYY-742 gel in treating anti-EGFR-targeted drug-related papulopustular rashes (lung meridian wind-heat syndrome), improving symptoms such as local itching and pain; 2. To explore the appropriate dosage of ZYY-742 gel in treating anti-EGFR-targeted drug-related papulopustular rashes (lung meridian wind-heat syndrome) through multi-dose control; 3. To accumulate evidence-based medical evidence for subsequent Phase III clinical trials and for applying for Investigational New Drug (IND) registration (Class 1.1) for traditional Chinese medicine.