Vegetarian food has low nutritional value and cannot meet all kinds of energy needed by human body every day. Long-term vegetarian diet, due to insufficient intake of protein and fat, will cause nutritional imbalance, and even reduce the body's resistance, leading to osteoporosis, easy to fracture and so on.

To lose weight correctly, it is necessary to formulate scientific and reasonable recipes and mix meat and vegetables reasonably, mainly by controlling the calorie intake of food to achieve the effect of losing weight. Protein, fat and carbohydrates are all essential and should be taken in every meal.

Protein needs about 50- 150g per meal. The main sources of protein are lean meat, deep-sea fish, eggs and dairy products. Plant proteins include beans, nuts, cereals and other foods.

Fat can choose foods containing unsaturated fatty acids, such as a small amount of nuts and fish, which helps to lower cholesterol.

Carbohydrate is the main source of body energy, and many people who lose weight list this kind of food as taboo. In fact, sugar food has only half the calories of fat. If you lose weight, you can eat more complex polysaccharides, including dietary fiber.