The social and professional measures suggested to beneficiaries of the Insertion Income have demonstrated their effectiveness. However, presence of mental disorders complicates their implementation, causing difficulties for both beneficiaries and social services. The integration of psychiatrist as medical advisors, as for the canton of Vaud, helps to support the role of medical advisors. Psychiatric intervention aims to strengthen the detection of mental conditions and to improve the relationship between the social worker and his·her beneficiary. The integration of a consultation-liaison psychiatry model in the role of medical consultant seems to bring undeniable advantages and avoidance of stigmatization and chronicization of mental disorders.