Introduction to material life: Under the influence of the tropical island environment and economic type, the material life of various ethnic minorities in Hainan has its own distinctive characteristics, such as heatstroke prevention, typhoon prevention, etc. This is true for the local's colorful and beautiful costumes, the custom of eating rice soup and fish, the boat-shaped houses used to protect against typhoons, and the skill of boating. Calabash boats and cow tugs still retain the traditions of the ancient Yue people.