Respiratory ailments, such as asthma, bronchitis, and tuberculosis, impose a substantial health burden throughout the Indian subcontinent. throughout this region, traditional medicine systems like Ayurveda, Siddha, and Unani have been employing medicinal plants for treatment purposes for a considerable period of time. This ethnobotanical study seeks to investigate and record the indigenous knowledge pertaining to the utilisation of medicinal plants for respiratory disorders in various regions of India, Pakistan, Bangladesh, Nepal, Bhutan, and Sri Lanka. This research aims to identify key plant species, their preparation methods, medicinal applications, and the underlying mechanisms of action by undertaking a thorough review of historical writings, field surveys, and interviews with traditional healers and local populations.