Apple's mobile phone circle software is a social software, which mainly aims at high-end users and provides private social circles. Users can share their life, work, hobbies and other contents in the circle and interact with friends in the circle. The software also provides accurate recommendation function, which can recommend content and friends that meet the user's taste according to the user's hobbies and behavior habits. The software also provides some high-end services, such as private ordering and private shopping guide, to meet the individual needs of users. The users of Yaquan software are mainly high-end people, so the user experience and service quality of this software are very high, and it is an excellent social software.