ASNO is organized to promote development of the field of neuro-oncology in the Asian region. The aims of the society are:

• by establishing and promoting high standards for the treatment of patients with cancer affecting the nervous system
• by elevating and sustaining the education of all involved in neuro-oncology
• by encouraging mutual fellowship, goodwill, and scientific collaboration among physicians and scientists actively involved in the field of neuro-oncology.

The organization has widened its coverage to become a multi-disciplinary group, by welcoming neurosurgeons, radiation oncologist, paediatric and adult oncologists, neurologists, neuropathologists, neuroradiologists, neuroscientists, neuropsychologists, neuropsychiatrists, and allied health professionals.