1. At 17 years old, it is still possible to grow taller, as height typically continues to increase until the age of 23 to 25.2. To promote height growth, it is necessary to ensure a well-balanced and adequate diet. Consuming sufficient animal-based proteins, which are rich in amino acids, can enhance protein utilization and support the absorption of zinc, iron, and B vitamins. Drinking a glass of milk before bedtime each night is a good habit.3. Regular physical exercise is crucial for height growth. Activities should be regular and combine leisure with exercise, maintaining a positive mindset. This not only accelerates height growth but also benefits overall health.4. Certain activities, such as pull-ups, basketball, volleyball, and jumping rope, are particularly helpful for growth.5. Sufficient sleep is also important for height growth. Avoiding excessive fatigue and ensuring the body receives adequate rest and recovery is essential.