The present disclosure discloses a startup method and a wireless handheld device. The present disclosure relates to the field of communications technologies. The startup method includes: when a wireless handheld device is started, if it is detected that a Kth Android installation package file in a data application directory is undergoing installation or updating, decompressing a library file of the Kth Android installation package file to a preset subdirectory in the data application directory, where K is an integer greater than zero. A corresponding wireless handheld device is further provided. By adopting the present disclosure, a startup speed of the wireless handheld device can be improved.