diff --git a/qiskit/providers/basicaer/unitary_simulator.py b/qiskit/providers/basicaer/unitary_simulator.py
index bd1645b5ce8c..f2cc1a8df4e8 100644
--- a/qiskit/providers/basicaer/unitary_simulator.py
+++ b/qiskit/providers/basicaer/unitary_simulator.py
@@ -206,13 +206,13 @@ def _get_unitary(self):
 
     @deprecate_arg(
         "run_input",
-        deprecation_description="Using a qobj for the first argument to UnitarySimulatorPy.run()",
+        deprecation_description="Using a qiskit.qobj.QasmQobj for the first argument to UnitarySimulatorPy.run()",
         since="0.46.0",
         pending=False,
         predicate=lambda run_input: isinstance(run_input, (QuantumCircuit, list)),
     )
     def run(self, run_input, **backend_options):
-        """Run run_input asynchronously.
+        """Run experiments in run_input asynchronously.
 
         Args:
             run_input (Qobj, QuantumCircuit, list): payload of the experiment
diff --git a/releasenotes/notes/deprecate-qobj-input-in-UnitarySimulatorPy-7233ec171fa15bd8.yaml b/releasenotes/notes/deprecate-qobj-input-in-UnitarySimulatorPy-7233ec171fa15bd8.yaml
new file mode 100644
index 000000000000..d46d490bb80b
--- /dev/null
+++ b/releasenotes/notes/deprecate-qobj-input-in-UnitarySimulatorPy-7233ec171fa15bd8.yaml
@@ -0,0 +1,10 @@
+---
+deprecations:
+  - |
+    :class:`~qiskit.qobj.QasmQobj` input to :meth:`~qiskit.providers.basicaer.UnitarySimulatorPy.run` 
+    is now deprecated and will be removed in the next major release.
+
+fixes:
+  - |
+    Documentation languange in ``unitary_simulator.py`` to be more generic to indicate the 
+    suported inputs- :class:`~qiskit.QuantumCircuit`, List or :class:`~qiskit.qobj.QasmQobj`.