A video streaming service system for automatic home network connection, comprising: a home media server configured to send wireless network information to a dongle device after determining the dongle device is a product capable of receiving wireless network information in accordance with a predetermined process when the dongle device is connected to the home media server; and the dongle device configured to receive the wireless network information directly from the home media server and maintain the connection with a home network by configuring the received wireless network information, wherein the home media server is further configured to: recognize the dongle device to be a USB storage device if the dongle device is connected to the home media server through a USB connection terminal, and send information about an SSID and password of an AP (Access Point) of the home network directly through the USB connection to the dongle device so that the SSID and password are recorded in a predetermined specific flash region of the dongle device, wherein the home media server is further configured to: operate according to a specific custom file of HDMI CEC if the dongle device is connected to the home media server through an HMDI interface using plug-in connections and to send information about the SSID and password of an AP (Access Point) of the home network directly through the HDMI interface to the dongle device, wherein the wireless network information is pre-stored in the home media server, a home media server configured to send wireless network information to a dongle device after determining the dongle device is a product capable of receiving wireless network information in accordance with a predetermined process when the dongle device is connected to the home media server; and the dongle device configured to receive the wireless network information directly from the home media server and maintain the connection with a home network by configuring the received wireless network information, wherein the home media server is further configured to: recognize the dongle device to be a USB storage device if the dongle device is connected to the home media server through a USB connection terminal, and send information about an SSID and password of an AP (Access Point) of the home network directly through the USB connection to the dongle device so that the SSID and password are recorded in a predetermined specific flash region of the dongle device, wherein the home media server is further configured to: operate according to a specific custom file of HDMI CEC if the dongle device is connected to the home media server through an HMDI interface using plug-in connections and to send information about the SSID and password of an AP (Access Point) of the home network directly through the HDMI interface to the dongle device, wherein the wireless network information is pre-stored in the home media server, recognize the dongle device to be a USB storage device if the dongle device is connected to the home media server through a USB connection terminal, and send information about an SSID and password of an AP (Access Point) of the home network directly through the USB connection to the dongle device so that the SSID and password are recorded in a predetermined specific flash region of the dongle device, wherein the home media server is further configured to: operate according to a specific custom file of HDMI CEC if the dongle device is connected to the home media server through an HMDI interface using plug-in connections and to send information about the SSID and password of an AP (Access Point) of the home network directly through the HDMI interface to the dongle device, wherein the wireless network information is pre-stored in the home media server, operate according to a specific custom file of HDMI CEC if the dongle device is connected to the home media server through an HMDI interface using plug-in connections and to send information about the SSID and password of an AP (Access Point) of the home network directly through the HDMI interface to the dongle device, wherein the wireless network information is pre-stored in the home media server,