The steps to unlock the canal dream Taizhou with Wang spade are as follows:

1. After entering the game, select the map in the game interface and the map of Taizhou to unlock.

2. According to the task guidance, complete a series of challenges, including Taizhou Museum, Humble Administrator's Garden, Tiger Hill and Pingjiang Road.

3. After completing the assigned task, you can open the hidden task "Shovel King Taizhou Canal Dream", and then you can unlock the map of Taizhou.