First, try to keep the food diversified and the dining table colorful. The second is to maintain good eating habits, such as regular and quantitative meals a day. The third is to ensure the intake of several important nutrients or foods, including but not limited to high-quality protein, and to match meat and vegetables for three meals a day. There are fresh vegetables and fruits, so we should have vegetables and fruits every day. Maintain adequate drinking water, drink a small amount, many times and regularly, and maintain good living habits.