Time to Avode when Visit China

You may avoid the Official Chinese Holidays listed as below:

New Year's Day: January 1-3

Chinese New Year: The 1st day of the first lunar month, generally between Jan and Mar.

Labour Day: May 1-3

National Holiday : October 1-3

Although, there are only 3 official days off, Chinese people extend it as a routine to 7 days by combining two weekends with them. That means you may avoid those 7-day periods if you don't want to enjoy your trip with the entire Chinese nation. You may check more information on website to see how it looks like in reality.