The impact of COVID-19 on many industries, including film, electricity suppliers, catering, tourism and so on, but in the crisis, there are also some new outbreaks. Telecommuting and online learning have become people's working habits during the epidemic, and a new trend will be formed in the future. This efficient and convenient way will be widely used. These expedited business models and lifestyles will make the era of intelligence come in an all-round way. This book makes a tentative study on these new problems and forecasts and prospects the future.