# How to divide one quantum circuit into multiple sub-circuits in qiskit?

While I'm simulating one Big quantum circuit in Qiskit, I wonder how we can divide one big quantum circuit into several sub-circuits. I looked in Qiskit API documents, but I couldn't find it.

Is there anyway that I can do that?

• If your big circuit has smaller circuit that are separated from each other, that is, the set of qubits are not entangled, then just write them as two different circuits and run them separately if you wish. You have to create that big circuit in the first place, right? So instead of define a single circuit, define multiple smaller circuits.... Mar 19, 2021 at 15:51

def split_circuit(circuit, start, end):