A platform for diagnosing movement disorder is disclosed. The platform comprises at least one inertia-sensing unit that comprises at least one accelerometer, wherein the inertia-sensing unit measures a user's movement； a power unit that provides power at least to the inertia-sensing unit； a processing unit that performs signal processing on the user's movement and quantifies the movement into a data； a diagnosing unit that analyzes the data to diagnose whether a movement disorder occurs by comparing the data to a database, where the database includes at least information about the user's movement characteristic； and a communication unit that establishes a communication with a computer, a mobile device or a computer server.
