A storage array and a storage chip and method for storing a logic relationship between objects. The storage array comprises first leading-out wires and second leading-out wires, and a storage unit is connected between each first leading-out wire and each second leading-out wire having different serial numbers. A controllable switch is connected between each first leading-out wire and each second leading-out wire having a same serial number. The storage chip comprises an interface module. A control module is used for producing a control signal. A driving module is used for producing write current, erase current or read current. A first decoder and a second decoder are used for gating the first leading-out wires and the second leading-out wires. A storage array is used for storing a logic relationship value. The storage method comprises write and read operations.