Disease analysis: According to the information you provided, 18 years old is still in the growth and development stage, so it should not be a problem to grow taller. Suggestion: 1, usually do more pull-ups, such as high jump. 2. Eat a reasonable diet and eat more foods and foods containing calcium, iron and zinc, such as milk, bone soup, seafood, beans and shrimp. Enemies with high salt must form the habit of eating less salt. Drink less carbonated drinks. Eat less snacks: candy, chocolate, peanuts and other snacks. Most of them contain high calorie 6. Eat more lettuce: such as carrots. Low-calorie foods such as celery, lettuce is not cooked, and the nutrients are not destroyed. 6. Maintain physical and mental health, enrich entertainment life, be emotionally stable and carefree, which is conducive to growth and development.