A startup method for a cold startup of a wireless handheld device, comprising: when the wireless handheld device is cold started, obtaining a file name, creation time and a file size of each Android installation package file in a system application directory and a data application directory; when the obtained file name of an N th Android installation package file has a corresponding record in a preset data base in a read-only memory of the wireless handheld device and the creation time and the file size of the N th Android installation package file are consistent with the creation time and the file size saved in the preset data base, reading information of the N th Android installation package file from the preset data base and adding the information of the N th Android installation package file into a package service list in a random access memory of the wireless handheld device, wherein N is an integer greater than zero; when the obtained file name of an M th Android installation package file does not have a corresponding record in a preset data base in a read-only memory of the wireless handheld device, or when the obtained file name of an M th Android installation package file has a corresponding record in a preset data base and the creation time and the file size of the M th Android installation package file are inconsistent with the creation time and the file size saved in the preset data base, obtaining information of the M th Android installation package file, saving the obtained information of the M th Android installation package file in the preset data base, and adding the obtained information of the M th Android installation package file into a package service list in a random access memory of the wireless handheld device, wherein M is an integer greater than zero; further comprising: when a K th Android installation package file in the data application directory is undergoing installation or updating, decompressing a library file of the K th Android installation package file to a preset subdirectory in the data application directory; otherwise, the operation of decompressing the library file is not executed; wherein K is an integer greater than zero. when the wireless handheld device is cold started, obtaining a file name, creation time and a file size of each Android installation package file in a system application directory and a data application directory; when the obtained file name of an N th Android installation package file has a corresponding record in a preset data base in a read-only memory of the wireless handheld device and the creation time and the file size of the N th Android installation package file are consistent with the creation time and the file size saved in the preset data base, reading information of the N th Android installation package file from the preset data base and adding the information of the N th Android installation package file into a package service list in a random access memory of the wireless handheld device, wherein N is an integer greater than zero; when the obtained file name of an M th Android installation package file does not have a corresponding record in a preset data base in a read-only memory of the wireless handheld device, or when the obtained file name of an M th Android installation package file has a corresponding record in a preset data base and the creation time and the file size of the M th Android installation package file are inconsistent with the creation time and the file size saved in the preset data base, obtaining information of the M th Android installation package file, saving the obtained information of the M th Android installation package file in the preset data base, and adding the obtained information of the M th Android installation package file into a package service list in a random access memory of the wireless handheld device, wherein M is an integer greater than zero; further comprising: when a K th Android installation package file in the data application directory is undergoing installation or updating, decompressing a library file of the K th Android installation package file to a preset subdirectory in the data application directory; otherwise, the operation of decompressing the library file is not executed; wherein K is an integer greater than zero. when a K th Android installation package file in the data application directory is undergoing installation or updating, decompressing a library file of the K th Android installation package file to a preset subdirectory in the data application directory; otherwise, the operation of decompressing the library file is not executed; wherein K is an integer greater than zero.