The high upper critical field and low anisotropy of iron-based superconductors (IBS) make them being particularly attractive for high-field applications, especially for the construction of next-generation nuclear magnetic resonance (NMR) spectrometers, particle accelerators and ultra-high-field magnets. Conventional powder-in-tube (PIT) method has been the most effective technique for fabricating IBS wires and tapes. The transport critical current density Jc of IBS wires and tapes has been rapidly increased in the recent years. A record high Jc of above 2×10⁵ A/cm2 is obtained at 4.2 K and 10 T and remains above 10⁵ A/cm2 up to 27 T, suggesting competitive advantages at high fields. In this presentation, I will report recent activities of the wire processing based on 122 IBS materials. Finally, the future development and problems to be solved in this area are suggested.