1. Diversification: Different kinds, colors and shapes of food can ensure the body to take in various nutrients.
2. Balance: The diet should include sufficient nutrients such as protein, carbohydrates, fat, vitamins, minerals, etc. to ensure that the human body can obtain comprehensive nutrition.
3. Appropriate amount: The diet should be based on the principle of appropriate amount, and too much or too little will have adverse effects on the body.
4. Control calories: The calorie intake should be balanced with the calories consumed by the body to avoid being overweight or underweight.
5. Reduce the intake of salt, sugar and fat: Excessive intake of these foods will have a negative impact on health.
6. Increase the intake of fruits and vegetables: Vegetables and fruits are rich in fiber, vitamins and minerals, which can promote health. You should eat a proper amount of fruits and vegetables every day.
7. Drink plenty of water: Drinking enough water every day will help the body's metabolism, maintain skin moisture and normal functions of the body.
In short, a healthy diet should be diversified, balanced and appropriate, avoiding excessive intake of salt, sugar and fat, and increasing intake of fruits, vegetables and water.