An interesting rugby-ball-like Zn-3(PO4)(2)@C3N4 photocatalyst with well-controlled structures as high-efficient visible-light photocatalysts was synthesized via two steps of solvothermal-grinding calcination method. The composition, structure, morphology, and optical absorption properties of as-synthesized Zn-3(PO4)(2)@C3N4 samples were intensively characterized by XRD, N-2 physical adsorption, SEM, TEM, FT-IR, UV-vis DRS, XPS, PL and photoelectrochemical measurements, respectively. The formation of C3N4 shell obviously increased the surface area and induced the rich pore structures. The intimate interface between Zn-3(PO4)(2) and C3N4 phase obviously enhanced the transport rate of photogenerated carriers and restrained the recombination of photogenerated electrons and holes. The optimal Zn-3(PO4)(2)@C3N4 (35 wt%) exhibited the highest adsorption and photocatalytic activity in the degradation of methylene blue (MB), which was 150 and 7.5 times as high as C3N4, respectively. Moreover, the robust Zn-3(PO4)(2)@C3N4 nanoheterojunctions fabricated by this grinding-calcination route have high stability in recycling reactions.