This app is specifically designed for the Medical Design (MD 2019), welcomes oral or poster presentations. We can use this app to know the program in this four days, and add the time course in My schedule, if you want to directly watching the time course you can press Parallel sessions in menu. Otherwise, we can see the speakers in Keynote Speaker, and know the traffic routes or flour plan around Chang Gung Health and Culture Village in Access and Map. Download Proceding button can download the procedure of MD2019.