A patients, who undergoes surgery, bears so stressful an emotional charge that his personality layout and life conflicts may emerge. When a patient is scheduled for loco-regional anaesthesia, the above mentioned issues should be taken into account to get a proper relation between the patient and the anaesthetist both in the pre- and intraoperative period. The following survey deals with psychological dynamics which compel the patient to ask for or reject a loco-regional anaesthetic procedure. Suggestions are also provided in order to manage adequately the anxiety and the hidden fears of the patient.