People with mental illness are at a high risk of experiencing internalised stigma, which may affect people with mental illness in many ways and is associated with various clinical and functioning outcome. Identifying patients with high internalised stigma can help mental health professionals to provide appropriate interventions to improve outcome. A brief version of the Internalized Stigma of Mental Illness scale (ISMI-10) may allow mental health professionals to assess self stigma quickly and conveniently, while retaining the essential properties of the original ISMI scale.