Hainan Chengmai's unique natural environment is dominated by pure natural and fresh vegetables and fruits. The sea near the bay is rich in red fish, yellow croaker, squid and other seafood. Long-term consumption makes the old people think clearly.

The sun is shining in Bama. One hour of sunshine every day is equivalent to eating two eggs. Fresh air, 25,000 to 45,000 negative oxygen ions per square centimeter, weakly alkaline water with a PH value of 8.3 to 8.5 and rich in zinc and manganese, and weakly alkaline water with a PH value of 8.3 to 8.5; Suitable temperature is 22 degrees, and eating habits: A is full at seven points per meal; B vegetarian, corn porridge, edamame, sweet potato leaves, bitter vein vegetables, hemp soup; C eat less meat; 7, labor hygiene, 109-year-old old people actually work in the fields every day.

The eating habits of the two places are different, mainly depending on which place you are more suitable for.