With tert⁃butylthiacalix[4]arene as ligand, 5⁃(1H⁃tetrazole)isophthalic acid (H3L) as an auxiliary ligand, metal cobalt ion as a metal source, under solvothermal conditions, The porous compound having a three⁃dimensional structure was prepared by the assembly method, and its molecular formula was [Co4(TC4A)(HL)(SO4)(CH3OH)2]n (solvent) (abbreviated as Co3D).Structure analysis revealed that the Co3D exhibited both hydrophilic and oleophilic one⁃dimensional uniform channels. Thermogravimetric analysis (TGA) indicated that Co3D is stable up to 315 ℃. The surface area of the title compound estimated to be 541.8 cm2/g by N2 absorption studies.