An early-stage AD speech auxiliary screening system aiming at mandarin Chinese. The system comprises a main body testing unit, a speech feature extracting unit, and a recognizing unit; the main body testing unit is used for testing a tested object; the speech feature extracting unit is used for extracting a speech feature of the tested object and storing the speech feature; the recognizing unit is used for recognizing the speech feature; and the main body testing unit comprises a spontaneous voice module, a picture describing module, a word fluency module, a poem reciting module, a sentence repeating module, a picture naming module, a span testing module, a cycle pronouncing module, and a picture matching module. For the system, from the aspect that an early-stage AD speech function is damaged, aiming at the research objective of AD early-stage screening of mandarin Chinese, a matched device relevant to early-stage AD speech specific features is provided, and the system has the advantages that costs are low, rich data can be obtained in real time, large sample acquisition can be easily implemented, remote acquisition and analysis can be implemented, etc.
EARLY-STAGE AD SPEECH AUXILIARY SCREENING SYSTEM AIMING AT MANDARIN CHINESE