The utility model discloses a numerical control rotary worktable reliability test platform with simulation operating condition loading. Numerical control rotary worktable reliability test platform with simulation operating condition loading includes: the numerical control rotary table part is including numerical control rotary table, the part is born the weight of in the simulation, is configuredas and transmits power to numerical control rotary table, cutting force loading part, be configured as to simulation supporting part branch exerts, and control section, be configured as the regulationby the power that cutting force loading part applyed. The utility model discloses a numerical control rotary worktable reliability test platform with simulation operating condition loading increasesfor reliability of an item and reliability assessment provides practical essential data to loaded angle modulation of doing all can is more accurate and convenient.