The invention discloses an automobile diagnosis equipment software system, and the system comprises a PC upper diagnostic apparatus software module, an upper service interface module, various types of diagnostic protocol stack SDK modules, an ODX analysis module, a DBC analysis module, a VCI hardware drive module, a writing module, a Bootloader reading flow module, an EOL module group, a DBC whole vehicle database, an ODX diagnosis database, a DLL (dynamic link library), and a VCI hardware module. The system provided by the invention reduce the cost of manpower, time and capital in developing a diagnostic equipment system for a whole vehicle, facilitates the management and high-efficiency use of diagnostic equipment in a vehicle factory, and improves the diagnosis work efficiency.