You can see the geographical location, Chaoshan offshore, and Hakka people live in the mountains. In the development of human society, salt is an important reason in life. Chaoshan is not short of salt and sunny, so there are many ways to preserve food with dried seafood. Moreover, Chaoshan is not suitable for many kinds of land, and there is less farm work and no rush to replenish salt ~ ~

On the contrary, Meizhou has mountains and waters, and most Hakkas are farmers. The source of ancient salt was not as convenient as it is today. Therefore, the rational use of salt can not only preserve food, but also provide electrolyte supplement for the body, and gradually form the characteristics of salty cuisine.

Looking further away, the Hakkas migrated from the Central Plains, and the taste of the whole central region is salty. Although there is no need to supplement salt in life now, the long-term imprint of life is both accidental and inevitable. Unlike the other two answers, it is only a personal factor. Accidental occurrence is actually inevitable brewing.