Recently, the hottest term in the medical circle should be volume-based procurement. For a long time, the consumables, medical devices, drugs, etc. used by hospitals have mostly been transferred through multiple intermediate links such as manufacturers to regional agents, provincial agents, and municipal agents before finally appearing in hospitals. After going through multiple layers of transfer, the prices of these medical consumables, medical devices and drugs may be several times higher. The high cost of medical consumables, devices and drugs ultimately reflects the high medical expenses for patients and the insufficiency of medical insurance funds. The rectification and reform of the medical industry is extremely urgent. For instance, centralized volume-based procurement for consumables distribution, the two-invoice system and the one-invoice system are widely advocated. The so-called two-invoice system means that the consumables factory issues invoices to the first-level agent, and the first-level agent issues invoices to the hospital. By eliminating the intermediate links, the two-invoice system is currently strictly implemented across the country, and the prices of consumables have dropped significantly.