The present research aims to study the correlation between personality type (A, B, C) and stress level symptoms and coping strategies. To achieve this, three scales were developed: the first scale to identify the type of personality, the second one measures the level of stress through its symptoms and the third one concerns the most used coping strategies. These tools were applied to a sample of 395 workers at fireman units post office centres, emergency and maternity services, a cross the \"wilaya\" of Oum El Bouaqi. Data analysis using SPSS (15th version) revealed: - a positive significant correlation between A, C types and the stress level. - a negative significant correlation between B type and the stress level. - a positive significant correlation between A type and the somatic, psychic and behavioral stress symptoms. - a negative significant correlation between B type and the somatic, psychic and behavioral stress symptoms. - a positive significant correlation between C type and the psychic and behavioral stress symptoms only. - A type tends to use problem focused coping strategies. - B and C types tend to use emotion focused coping strategies.