Eligible Unicom mobile phone users can set it up for free, so that relatives and friends who call can see the special public service ringtone of "Building the Party in a Hundred Years, Lighting the Red Footprint" while waiting for the connection, and appreciate the brand-new face of the party and the country more intuitively and vividly. From the first conference site to the Nanchang Uprising Headquarters, from Baota shan in Yan 'an to Shuangqing Villa in Xiangshan, the introduction of video color ring tones on the theme of party history has enabled users to appreciate the great rivers and mountains of the motherland, review the century-old history of the party, and further promote the mutual integration of science and technology and party building work, adding a new model for the study and education of party history.