WeChat is a closed social networking platform that allows users to connect privately, providing instant text, photo sharing, voice, and video calls. It is now the most popular mobile chat app in China. The widespread use and ease of establishing technology made WeChat an ideal platform for healthcare, in which it has many uses that include scheduling, follow up, and post-procedure monitoring. In addition, one may make payments and handle prescriptions via e-pharmacy. Dermatologists are often looking for a secure and easy way to use mobile applications to share clinical images and to obtain photographs from patients. We aim to provide an overview of WeChat and its current applications for healthcare and dermatology.