This research is handling the principle of the Penal Trial Publicity in the Omani and Comparative Law, in five chapters: the first, what is the nature of the trial publicity, second, the publicity limits related to the persons and procedures, the third, the publicity in the prospective of the means of media, the fourth, it is about the publicity exclusions and the fifth, is the breach penalty of the trial publicity. While the basis if the publicity of the penal trial, but, at the same time, there are exclusions which aim at the protection of the commonweal on the one side and for the accused benefit on the other hand. So, the case is examined in a secret cession either by the court decision caring to the public discipline and morals, or according the Law wording in the trial of the young, therefore, we had reached to a number of recommendations, the most prominent one is: the stipulation of the secret trial allowance decision for the protection of the secret personal information. And studying the designation of a wording which shall be interested in the trials secrecy decision in the inspection of the penal cases connected with the crimes among the one family for the protection of family sanctity and fame and for keeping on its tenacity. Looking in to establishing a specialized committee in the court which shall be interested in the inspection of what is published by the means of media related to the trial procedures and others. Deciding the trial secrecy by the majority of the court members and not all its authority so as the court not to waste the accused benefit in avoiding what exposing to his family fame and dignity and obstructing later his inclusion in to the society. Not exaggerating in applying the court dignity by setting apart the audience and the means of media from attending the trials without justification by the utilization of these items for preventing them from some required information and not utilizing any terms like , public discipline or morals , for deciding the trial secrecy. The acceleration in designating independent courts for the trial of the young and designating independent judges for it according what is determined in the young trials.