1. Origin and history of discus thrower sculpture: This topic can discuss the origin, historical background and creative purpose of discus thrower sculpture. The study of sports, art and culture in ancient Greece is helpful to deeply understand the values and characteristics of ancient Greek society.

2. Aesthetic value of "discus thrower" sculpture: This topic can study the aesthetic value of discus thrower sculpture, including its artistic achievements in carving techniques, body proportion, muscle expression and so on. Through in-depth observation and analysis of sculpture, we can further understand the style and characteristics of ancient Greek sculpture art.

3. Cultural symbol of "discus thrower" sculpture: This topic can explore the significance and connotation of discus thrower as a cultural symbol. Discus throwers represent the strength and bodybuilding of athletes in ancient Greek society, and their cultural information reflects the ancient Greeks' pursuit of body, strength and beauty.