The typical presentation of asthma is wheezing, but because of the airway hyperresponsiveness and variable airflow limitation of asthma, some children simply present with chest tightness, when it is possible to have another type of atypical asthma, chest tightness variant asthma. Characteristics of chest tightness variant asthma: recurrent episodes of chest tightness for more than 4 weeks. Activity and sensitivity with cold air and odor. Li Fuhai, Department of Pediatric Internal Medicine, Qilu Hospital, Shandong University, has a history of atopic dermatitis or skin allergy. Effective to bronchodilators. Positive bronchodilator test. Exclude other diseases.