Nature has made a big joke to mankind. The spread of COVID-19 has ravaged the world, and the epidemic has not stopped so far.

In May, COVID-19 broke out, and it is rare for the whole country to have a consensus. Distance learning has become the best way to maintain learning in the epidemic.

Longhao and the Department Mechanical Engineering, Cheng Shiu University jointly organized the "3D Digital Smart Manufacturing, Non-stop Learning". The teacher had clear teaching plans and made good use of digital tools for teaching. The students had more time at home to use the mobile phones and tablets to connect to the Internet and study simultaneously.