The differences between old Beijing culture and Suzhou-Hangzhou culture are reflected in four aspects: geographical location, historical background, artistic characteristics and food culture.

1. Location: Old Beijing culture represents the northern culture of China, while Suzhou and Hangzhou culture represents the southern culture of China. Therefore, there are great differences between the two cultures in language, diet and art.

2. Historical background: Old Beijing culture originated in the Spring and Autumn Period of China, flourished in the Qing Dynasty, and had a wide influence throughout the country. Suzhou-Hangzhou culture originated in the Southern Song Dynasty and experienced the development and growth in the Ming and Qing Dynasties.

3. Artistic features: Old Beijing culture pays attention to folk arts and performances, including pingtan and storytelling. Suzhou and Hangzhou culture pays attention to literature and art, and has made great achievements in poetry, painting and calligraphy. Besides, Suzhou and Hangzhou are both famous literary and artistic cities in China.

4. Food culture: The food culture in old Beijing is represented by roast duck and instant-boiled mutton, which pays attention to taste and diversity. Suzhou-Hangzhou food culture is represented by Suzhou-style dim sum, hangzhou dishes and crayfish, and pays attention to delicacies and nutrition.