China News Service, June 29. According to the website of the Ministry of Industry and Information Technology, in order to resolutely implement the general strategy of the Party Central Committee and the State Council on "foreign defense against imports, internal defense against rebound" and the general policy of "dynamic clearing", to support efficient coordination of epidemic prevention and control and economic and social To facilitate the travel of the majority of users, the "asterisk" mark of the communication itinerary card will be cancelled from now on.