Asthma is an obstructive lung disease affecting >230 million people worldwide and a significant cause of morbidity in patients of all ages. It is a heterogenous disease with a complex pathophysiology and phenotype. The condition is characterised by variable airflow obstructionand airway hyper responsiveness. Understanding the severity of the disease is important, and treatment is aimed at symptom control and the prevention of future exacerbations. In Ayurveda classics lakshanas of swasa are closely related to ojakhaya lakshana. According to Ayurveda, ojus is a essence present in every dhatu and considered as sara of all the seven dhatus starting from rasa to shukraand responsible for the strength of the body. Ojus is one of most important element for maintains and sustaining of life. All human beings are well nourished by ojus and its decrease leads to cessation of life. In Ayurveda ojus is also known as bala (strength) because it provides strength to the body in terms of physical, mental, immunological and resistance to the body.