Quantum circuit determination method and device

The invention discloses a quantum circuit determination method and device, and belongs to the technical field of quanta. The method comprises the following steps: according to an initial sampling mode, sampling K groups of line units from an initial line unit pool, and constructing and generating K candidate quantum lines; determining performance evaluation indexes corresponding to the K candidate quantum circuits; updating the sampling mode and the line units in the line unit pool based on the performance evaluation indexes; sampling K groups of circuit units from the updated circuit unit pool according to the updated sampling mode, and constructing and generating K candidate quantum circuits; and determining a target quantum circuit from the K candidate quantum circuits generated at the last time under the condition that the cycle suspension condition is met. According to the scheme, the method has extremely high universality and universality, the quantum circuit used for completing the target task can be e