In the extraordinary period of epidemic control, in order to facilitate citizens to travel, "health codes" have been gradually introduced in various parts of Zhejiang. At present, Zhejiang people can apply for health codes all over the country by running an app in Zhejiang! Up to now, citizens in Hangzhou, Ningbo, Wenzhou, Jiaxing, Shaoxing, Jinhua, Quzhou, Zhoushan, Taizhou and Lishui can apply for health codes and complaints in Zhejiang.