The Food Biotechnology Center of Jiangnan University(Helplifes Technology Platform) and the People’s Hospital of Tinghu District of Yancheng City will cooperate to carry out the clinical trial of “Research on the Effect and Mechanism of Probiotics on Respiratory Allergy” from March 2022 to June 2022. It is now necessary to recruit 160 volunteers with respiratory allergies (allergic rhinitis or bronchial asthma) and provide free routine physical examinations and related tests. Project Lunshen No.: ET20211007.