A method for executing a Basic Input Output System (BIOS) tool program in a non-System Management Interrupt (SMI) mechanism is applicable to a computer and includes: bi-directionally transmitting, by an ACPI ASL module and a service module, a corresponding trigger signal; bi-directionally transmitting, by the service module and a driver, the trigger signal; bi-directionally transmitting, by the driver and a real-time service module of a BIOS, the trigger signal; and performing, by the BIOS, event processing according to the trigger signal to obtain a processing result, or performing, by the BIOS, logic operation on the data to obtain operation data.