A bootup device and method for an application program on a mobile equipment to improve the bootup speed of the application program on the mobile equipment. The bootup device has an application management module, that boots up a virtual machine module based on the application program to be run. A virtual machine module, loads codes of the application program and Just in Time (JIT) compilation results of a bootup process of the application program into a memory, search, in the JIT compilation results, for local JIT compiled codes corresponding to the bootup process code segment to be executed, and executes the found local JIT compiled codes when executing each bootup process code segment of the application program. A storage management module, store and reads the codes of the application program and the JIT compilation results obtained from the JIT compilation of the bootup process of the application program.