COVID-19 has brought a short period of opportunity to the development of local cruise ships. This is the best strategic period to liberate the local cruise liner to achieve the internal cycle of local cruise tourism. From the perspective of many famous cruise ports in the world，rich cruise routes are not only an important condition for the healthy and stable development of cruise tourism market，but also an important condition for increasing market stickiness and improving tourists’ repurchase rate. How to deepen innovation on the basis of existing routes is an important issue that cruise companies urgently need to solve. Especially under the background of accelerating the construction of a new development pattern dominated by domestic big cycle and mutually promoted by domestic and international double cycles，how to explore route innovation for local cruise ships is the key to enhance the differentiated competitive advantage of local cruise ships.