Design
We conducted a randomized controlled trial in the Renmin Hospital of Wuhan University from January 2021 to January 2022 to evaluate the effectiveness of speech training through Chinese idioms. This study was reviewed and approved by the ethics committee of the Renmin Hospital of Wuhan University (approval number: WDRY2020-K229), and the trial was registered in the Chinese Clinical Trial Registry in April 2020 (registration number: ChiCTR2000031825).All data presented in the studies were deposited in an appropriate public repository (DOI: 10.6084/m9.figshare.20766493).