A method and device for establishing or modifying a local IP access bearer are provided by the embodiments of the present invention, said method includes: a handover request message transmitted by an evolved Node Base station is received, said handover request message carries an evolved Node Base station identifier, said evolved Node Base station identifier is the same as the local packet data network gateway identifier; the local breakout ability of said evolved Node Base station is obtained; according to said evolved Node Base station identifier, the local breakout ability of said evolved Node Base station and the local IP access point name, the local IP access bearer is established or modified between a serving gateway and the local packet data network gateway, said serving gateway is located in the core network or the evolved Node Base station.