1. Cost: Guo Da's big pharmacies have a large purchase volume, so they can choose suppliers in a wider range and have more chips to negotiate with suppliers. Compared with Wanmin Pharmacy, it can obtain lower purchase price and reduce purchase cost.

2. Logistics management. Guo Da Pharmacy is only responsible for centralized procurement and unified distribution of chain pharmacies. Compared with Wanmin Pharmacy, it reduces the cost of goods sales, improves logistics and improves the management level of pharmacies.