A column select signal cell circuit, characterized in that the column select signal cell circuit comprises: a first column select cell, a second column select cell, a third column select cell and a fourth column select cell, each of which comprises 4*N input and output ports, 4*N bit line connection ports and one control port, wherein the 4*N input and output ports correspond to the 4*N bit line connection ports in a one-to-one correspondence, and output read data acquired from the corresponding bit lines through the corresponding bit line connection ports, or write data to the bit lines through the corresponding bit line connection ports; wherein the control ports of the first column select cell and the fourth column select cell are electrically connected to a first column select signal, the control ports of the second column select cell and the third column select cell are electrically connected to a second column select signal, the bit line connection ports of the first column select cell and the third column select cell are respectively connected to 8*N bit lines of a first storage unit group, the bit line connection ports of the second column select cell and the fourth column select cell are respectively connected to 8*N bit lines of a second storage unit group, the first storage unit group and the second storage unit group are formed by storage units connected to the same word line, with every adjacent 8*N bits of storage units constituting a storage unit group, wherein the first storage unit group and the second storage unit group are adjacently arranged and connected to the same word line, and N is an integer greater than or equal to 1; wherein even-numbered bit lines of the first storage unit group are connected to the bit line connection ports of the first column select cell, and odd-numbered bit lines of the first storage unit group are connected to the bit line connection ports of the third column select cell; and even-numbered bit lines of the second storage unit group are connected to the bit line connection ports of the second column select cell, and odd-numbered bit lines of the second storage unit group are connected to the bit line connection ports of the fourth column select cells. a first column select cell, a second column select cell, a third column select cell and a fourth column select cell, each of which comprises 4*N input and output ports, 4*N bit line connection ports and one control port, wherein the 4*N input and output ports correspond to the 4*N bit line connection ports in a one-to-one correspondence, and output read data acquired from the corresponding bit lines through the corresponding bit line connection ports, or write data to the bit lines through the corresponding bit line connection ports; wherein the control ports of the first column select cell and the fourth column select cell are electrically connected to a first column select signal, the control ports of the second column select cell and the third column select cell are electrically connected to a second column select signal, the bit line connection ports of the first column select cell and the third column select cell are respectively connected to 8*N bit lines of a first storage unit group, the bit line connection ports of the second column select cell and the fourth column select cell are respectively connected to 8*N bit lines of a second storage unit group, the first storage unit group and the second storage unit group are formed by storage units connected to the same word line, with every adjacent 8*N bits of storage units constituting a storage unit group, wherein the first storage unit group and the second storage unit group are adjacently arranged and connected to the same word line, and N is an integer greater than or equal to 1; wherein even-numbered bit lines of the first storage unit group are connected to the bit line connection ports of the first column select cell, and odd-numbered bit lines of the first storage unit group are connected to the bit line connection ports of the third column select cell; and even-numbered bit lines of the second storage unit group are connected to the bit line connection ports of the second column select cell, and odd-numbered bit lines of the second storage unit group are connected to the bit line connection ports of the fourth column select cells.