Real-world study on the clinical efficacy of Xiaoer Feireqing Granules in the treatment of mycoplasmal pneumonia

INTERVENTION: Control group:Conventional Western Medicine Treatment;Experimental group:Conventional Western Medicine Treatment Combined with Pediatric Pulmonary Heat Clearing Granules; CONDITION: Mycoplasma pneumonia in children PRIMARY OUTCOME: Clinical efficacy; SECONDARY OUTCOME: Inflammatory factor levels;Adverse reaction;Imaging examination;Time of disappearance of symptoms and signs; INCLUSION CRITERIA: 1. Age (3‐14) years old (including 3 and 14 years old), male or female not limited; Those who meet the diagnostic criteria for Mycoplasma pneumoniae pneumonia in Western medicine and test positive for Mycoplasma pneumoniae; 2. Meet the traditional Chinese medicine diagnostic and treatment criteria for Mycoplasma pneumoniae pneumonia in children (2023) and the "Diagnosis and Treatment Guidelines for Mycoplasma pneumoniae pneumonia in children (2025 edition)" for "wind heat closed lung syndrome", "phlegm heat closed lung syndrome", and "toxic heat closed lung syndrome"; 3. Those who have not received other relevant treatments; 4. The legal guardian of the subject voluntarily signs the informed consent form, and subjects aged >= 8 years are required to voluntarily sign the informed consent form.