To reduce malfunctions due to cracks and breakages occurring in electrode.

For this discharge lamp, electrodes 221, 222 are laser-connected to one end of metal foils 211, 212, and the outer lead wires 231, 232 are laser-connected to the other end by welding, and sealing bodies 21, 22 for the lamps, in which the relationship d/r between the depth d (mm) of the welding part 31 formed in those electrodes 221, 222 and the diameter of the electrode r (mm) is d/r≤0.3, are sealed to sealing parts 131, 132 of an airtight container 1 as the sealing body of the discharge lamp.