The invention discloses a frequency/polarization/pattern-independent reconfigurable patch antenna by adopting a liquid crystal material to enhance polarization reconfigurable capability, which comprises a first dielectric plate, a second dielectric plate, an octagonal metal patch, an octagonal metal ring, diamond parasitic metal patches, a metal plate and a reconfigurable power division phase shifter with the liquid crystal material, wherein the second dielectric plate is located below the first dielectric plate, and the upper surface of the second dielectric plate coincides with the lower surface of the first dielectric plate; and the reconfigurable power division phase shifter with the liquid crystal material in the second dielectric plate is used for enhancing the polarization adjustment capability of the antenna under a different reconfigurable frequency. Independence and reconfigurability of the antenna frequency, the polarization and the pattern can be realized, the dielectric constant of the liquid crystal material is adjusted through controlling bias voltage, the polarization characteristics of the antenna under a different reconfigurable frequency can be adjusted, the circular polarization performance is improved, the polarization reconfigurable capability, of the antenna is further enhanced, and the antenna can be switched flexibly among different frequency bands, different polarization modes and different radiation points.