The present invention relates to a method and apparatus for extending a data length of Bluetooth communication. A method of extending a data length of Bluetooth communication according to the present invention includes receiving a first message including information of a second device from the second device, transmitting a connection request message to the second device based on the first message, performing Bluetooth connection with the second device based on the connection request message, transmitting an extension request message which requests extension of a transmission data length and a reception data length through the connected Bluetooth, and receiving an extension response message in response to the request message through the connected Bluetooth, wherein the request message includes at least one of first maximum transmission data length information, first maximum reception data length information, first maximum transmission time information, or first maximum reception time information of the first d
