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We propose a scheme to achieve the quantum state transfer via the topologicalprotected edge channel based on a one dimensional frequency-modulatedoptomechanical array. We find that the optomechanical array can be mapped intoa Su-Schrieffer-Heeger model after eliminating the counter rotating wave termsvia frequency modulations. By dint of the edge channel of theSu-Schrieffer-Heeger model, we show that the quantum state transfer between thephotonic left edge state and the photonic right edge state can be achieved witha high fidelity. Specially, our scheme can also achieve another phononicquantum state transfer based on the same channel via controlling thenext-nearest-neighboring interactions between the cavity fields, which isdifferent from the previous investigations only achieving one kind of quantumstate transfer. Our scheme provides a novel path to switch two different kindsof quantum state transfers in a controllable way.

Controllable double quantum state transfers by one topological channel in a frequency-modulated optomechanical array