The method of only growing fetus but not meat does not exist. Pregnant women can help to maintain their pregnancy weight by ensuring balanced nutrition, correcting bad dietary habits, and exercising appropriately. 1. Ensure balanced nutrition: If a pregnant woman consumes too much energy in her daily life, the excess energy will be converted into too much fat, resulting in too much and too fast weight gain. Therefore, pregnant women should pay attention to the diversity and rationality of their diets, consume a sufficient amount of carbohydrates, and eat more foods rich in proteins, folic acid, and iron, such as fish, chicken, eggs, and lean meats. 2. Correct bad eating habits: Pregnant women should eat less and more meals, if there is overeating, partiality and picky eating habits, should be corrected in time, try not to eat too much high oil and high salt food. 3. Appropriate exercise: pregnant women moderate physical activity helps to maintain weight, such as slow walking, swimming, etc., to avoid frequent sedentary, long standing, etc.. It is recommended that pregnant women pay attention to adjusting their dietary habits and living habits in their daily lives in order to achieve the right amount of weight gain.