The article considers the psychological stability of communicators as their personal property, which is included in the syndrome of the state of psychological readiness for communicative activity. Psychological stability is interpreted as non-inherited, but acquired property, which provides conditions not only for the rapid and qualitative creation of the generalized image of the imaginary model of reporting information to recipients, but also for its successful implementation during professional activities. This phenomenon is highlighted in two hypostases: the system of internal structure (process); external environment (result). From the point of view of the system-structural approach, this property of communicators is inherent in invariance, while from the standpoint of the effectiveness of the activity - the rate of renewal of the lost condition. The position concerning the role of psychological stability in determination of the negative influence of factors on the coordination of the reproduction of the necessary information by communicators under extreme conditions is substantiated. There are described psychological mechanisms of the influence of the phenomenon not only on maintenance of the unchanging corresponding state of communicators and on maintaining the coherence of verbal and non-verbal reproduction of information, but also on the implementation of resistance to internal or external obstacles. It is proved that psychological stability of communicators is subject to purposeful formation in the process of preparation for professional activity. Specific forms of its formation are: the preparation of communicators to leveling excessive action of any short-term or long-term stressors in the process of communicative activity; preparation of communicators to leveling out excessive influence of internal and external factors. It is revealed that the formed psychological stability of communicators gives them the opportunity to quickly find creative approaches to solving complicated tasks during the transfer of necessary information to recipients.Key words: communicators; recipients; psychological stability; stressors; formation; professional activity.