Grape, pineapple, papaya, apple, coconut, pear, orange, watermelon peel, mango, olive, ginkgo, plum, etc. People with deficiency-cold constitution have low basal metabolic rate, less heat production in the body and cold limbs even in summer. Because of the high excitability of parasympathetic nerves, their faces are whiter than ordinary people. They are seldom thirsty and don't like to touch cold things, including entering air-conditioned rooms. Traditional Chinese medicine has always balanced yin and yang, so people with cold constitution naturally choose warm fruits, including litchi, longan, guava, cherry, coconut juice, durian and apricot. Chestnuts, walnuts, etc. Therefore, it is not recommended for the elderly. People with deficiency-cold constitution have low basal metabolic rate, less heat production in the body and cold limbs even in summer. Because of the high excitability of parasympathetic nerves, their faces are whiter than ordinary people. They are seldom thirsty and don't like to touch cold things, including entering air-conditioned rooms. Traditional Chinese medicine has always balanced yin and yang, so people with cold constitution naturally choose warm fruits, including litchi, longan, guava, cherry, coconut juice, durian and apricot. Chestnuts, walnuts, etc. Therefore, it is not recommended for the elderly.