益生菌在儿童呼吸系统疾病应用进展OACSTPCD

The gut microbiota carries acquired genes,participates in normal physiological and pathological processes,and is closely related to human health.Probiotics have functions such as antagonizing pathogenic microorganisms,enhancing epithelial barriers or nutrient metabolism,and stimulating and promoting immune maturation in the body.They are currently widely used in various diseases such as childhood diarrhea,functional gastrointestinal diseases,and metabolic diseases.In recent years,probiotics have also been used as adjunctive therapies for respiratory diseases,with the main mechanism of action being achieved by regulating lung immunity through the mucosal immune system.The article briefly introduces the mechanism of probiotics in the prevention and treatment of respiratory diseases and their clinical progress in children's respiratory diseases.