Abstract: Provided is a medication decision support method and apparatus based on a graphics state machine. The method comprises the steps of: acquiring a medication consultation statement of a user; extracting a symptom information entity, an allergy information entity and an disease onset information entity in the medication consultation statement; forming a graphics state machine set with a high response speed to a target event; analyzing the disease degree information in the medication consultation statement of the user and an emotion word segmentation dictionary, and comparing the disease degree information with the disease degree information spoken to obtain a corrected value of the disease degree; removing excessive judgment or underestimated judgment, on the disease degree, and obtaining accurate disease degree information; and achieving medication decision support aiming at accurate disease degree information through the medication decision support device.