Most of the foods that young people like are high in sugar, fat and salt, and they like all kinds of condiments and drinks. The eating time is irregular and the frequency of eating fast food is high. The superposition of these bad habits, coupled with the reality of great pressure, has led to the decline of young people's physical fitness. Hyperglycemia, dyslipidemia, hypertension and even hyperuricemia were all found in young people in their early 30s, and the onset age of cardiovascular and cerebrovascular diseases induced by "three highs" was about 10 years earlier in the past.