Mobile Technologies, Applications and Software Design Knowledge Capsule Mobile App by Baidu Online Network Technology. Beijing As the coverage of Knowledge Capsules increases, users will convert the collected capsules into public value when learn knowledge and collect capsules, contributing to the field of mental health. In addition to psychological diagnosis and treatment, more basic knowledge of thematic content has been expanded, and the content has been spread over 80 million times, so that more users can easily receive valuable information.