Beijing University of Posts and Telecommunications will complete the preliminary review within 1-2 working days after submitting the paper, and inform the author of the review results by email or other channels. According to the inquiry of official website of Beijing University of Posts and Telecommunications, Beijing University of Posts and Telecommunications will complete the preliminary examination within 1-2 working days after submitting the paper, and the final materials of the paper can be submitted after the preliminary examination is passed. The specific time of paper review in Beijing University of Posts and Telecommunications may be different due to many factors such as the number of papers, the workload of reviewers, the difficulty of papers and so on. Generally, it will not exceed 1 week.