INTRODUCTION: This is an open non randomized clinical trail to determine the effectiveness of siddha herbal formulation Bringaraja thailam. Sooli Kanam has been described in the siddha literatures as the diseases frequently occuring in children . According to siddha texts, It is characterized by prolonged expiration and expiratory wheeze, prolonged cough, abdominal bloating and discomfort due to mouth breathing. It can be closely compared withchildhood Asthma. Asthma is a chronic inflammatory disease characterized by airway obstruction, airway hyper responsiveness manifest as wheeze, cough, shortness of breath and chest tightness. .Asthma tends to affect about 10% children globally. Recent data have shown that asthma continues to affect 6 million school aged children with approximately half of these children experiencing asthma attack each year. MATERIALS AND METHODS: A total of 10 patients within age limit of 6 to 12 years willing to participate in the study by signing consent and assent form will be enrolled in the study. Both male and female children are included. RESULTS AND DISCUSSIONS: Effectiveness of the trial drug will be assessed by spirometry by Comparing the values of forced expiratory volume after treatment from baseline and also assess  the  improvement in the symptoms by GINA Global Initiative for Asthma Guidelines 2022 and St. Georges respiratory questionnaire.