Embodiments of the present disclosure provide a radio frequency device and a magnetic resonance device. The radio frequency device may include a surface coil including at least one coil assembly. The at least one coil assembly may include a first coil assembly and a second coil assembly. The first coil assembly may include at least two first coil units arranged in an array. The second coil assembly may include at least one second coil unit. The first coil assembly and the second coil assembly may be arranged in a stacked configuration.