The present invention discloses a method of using a wireless terminal to instantly receive and play back an audio data from a wireless network server without requiring the user to download and save the audio data into the wireless terminal first. When the wireless terminal requests the wireless network server to download an audio data, the wireless network server divides the audio data into a several batches of data according to the request of the wireless network server. The batches of data are sequentially downloaded to a voice download buffer of the wireless terminal, and then sequentially sent to a voice playback buffer of the wireless terminal after each batch of data is decoded. Thus, achieving the function of immediately and continuously play back the audio data online through the wireless terminal.