Apps that sell idle items: Zhuanzhuan, Xianzhi, Kongkonghu, Plum, Xianyi.com, Erhuo, Jiuwang.

Xianyu: Xianyu is an app client of Alibaba's idle trading platform. Members can log in with their Taobao or Alipay accounts without going through the complicated process of opening a store, and can achieve many functions including one-click reselling of "purchased items" in their personal Taobao accounts, taking photos and uploading second-hand idle items, and online transactions.

Zhuanzhuan: Zhuanzhuan is a professional second-hand trading platform incubated by 58 Group, established in November 2015. Zhuanzhuan can help people improve their quality of life. One of the secrets to improving the quality of life is to regularly transfer idle items.

Xianzhi: The user group of Xianzhi APP is young and fashionable women aged 18-30, focusing on giving away women's idle items for free. It mainly provides women with an innovative, reliable and interesting new way to deal with idle items.

Kongkonghu: Kongkonghu targets fashionable women aged 18-40, specializing in idle transactions of women's fashion. It provides a publishing platform for the scattered idle second-hand information on the market, and also provides a safe transaction and payment platform for customers who are interested in purchasing idle items.

Plum: For idle transactions of high-end luxury goods, luxury leather goods need to go through at least 20 identification procedures. From leather, hardware, wiring, lining to brand engraving, all details will be strictly checked by the professional identification team.

Erhuo: Erhuo is a mobile application software. It is a trading platform for college students' idle items. Through Erhuo, you can find idle items around you.

Jiuwang: Jiuwang is a trading platform for people who want to sell idle items that they don't want to throw away. The website also advocates the concept of turning waste into treasure, environmental protection and self-interest, and encourages everyone to optimize the environment around them.