The best season to go to sea in Qingdao is late spring, early summer and autumn every year, especially in July and August when shellfish are most abundant. Driving the sea is to dig and collect seafood on beaches and reefs at low tide according to the changing law of seawater tides.

The key to catching the sea is the word "catch". At first, people just wanted to survive, and then gradually formed the folk custom of catching the sea.