First, cook more, put less salt and no monosodium glutamate. The diet of Hong Kong people is worth learning from. Mainland people often like to put all kinds of spices when cooking, and the main cooking methods are frying and frying. Hong Kong people like to put a little salt in the way of cooking with water, which is light in taste and can ensure the original flavor of food, and the nutrition of food can be preserved as much as possible.

Second, public medical services are developed. In order to ensure longevity, public medical measures are also very important. The longevity of Hong Kong people is also inseparable from the developed public medical services. At present, Hong Kong still follows the British-style national medical service system.

Third, Hong Kong people believe in TCM health culture. Although the lifestyle of Hong Kong people has always been westernized due to historical reasons, Hong Kong people believe in the health culture of traditional Chinese medicine and like the health culture of special diet. Hong Kong people are willing to spend money to buy ginseng, ganoderma lucidum, bird's nest, donkey-hide gelatin and other precious medicinal materials as their daily diet.