staying in shanghai on work , what is the easiest and convenient way to see the great wall of China

There are many sections of Great Wall in China and the sections in Beijing are the most pupolar, especially Badaling and Mutianyu.

U are suggested to take a high-speed train from Hongqioa Railway Station to Beijing South.

For Badaling, you can take subway line 4 at the south station to Xizhimen. Then walk to Beijing North Railway Station, there are direct trains to Badaling. For Mutianyu, you can take bus no. 106 to Dongzhimen Inner stop. Then find bus no. 916 and get off at Huairou Bus Station . After that, hire a taxi to your destination.