Quantum simulation method and device, equipment and storage medium

***The invention provides a quantum simulation method, device and equipment and a storage medium, and relates to the field of data processing, in particular to the field of quantum simulation. According to the specific implementation scheme, a target ordered sequence pi * used for simulating the target Hamiltonian is determined from N middle ordered sequences pi '; the target Hamiltonian is represented by L sub Hamiltonian; the target ordered sequence pi * represents a simulation sequence of the L sub Hamiltonian in a simulation process; based on the target ordered sequence pi *, obtaining a target simulation unit for simulating the target Hamiltonian; the target simulation unit is obtained based on a product of sub simulation units corresponding to each sub Hamiltonian in L sub Hamiltonian after sorting of the target ordered sequence pi *; and obtaining a target quantum circuit for simulating the target Hamiltonian based on the approximate quantum circuit corresponding to each sub-simulation unit in the targ