1. Different raw materials: Yili old cellar uses high-quality pure milk and imported hops as raw materials, while Yili original cellar uses high-quality selected malt and glucose syrup as raw materials.

2. Different tastes: Yili old cellar and Yili original cellar have different tastes. Yili Old Pit is rich, hops are fragrant and lactic acid is sweet, while Yili Original Pit tastes fresher and softer.

3. Different production processes: Due to the different selection of raw materials, the production processes of Yili old cellar and Yili original cellar are also different. The traditional beer brewing technology was adopted in the old cellar of Yili, while the advanced continuous fermentation technology was adopted in the original cellar of Yili.