This study aims to find out how the personality of the main character in the novel entitledSilver Girl by Christina Juzwar. This study uses Sigmund Freud's psychoanalytic theory regarding the personality aspects of the id, ego, superego. The method used in this study uses descriptive qualitative. Data collection techniques using listening, reading, and note-taking techniques. The data is processed using coding techniques, namely giving a code to each data that appears in the analysis process. The results showed that the main character's personality includes the id, ego, and superego with a total of 102 data by showing as many as 42 data aspects of the id personality with a percentage of 41% including irritation, anger, and anxiety. Aspects of ego personality as many as 49 data with a total percentage of 48% include a sense of panic, helplessness, ability to learn from experience, and jerks. Then the supergeo personality aspect consists of 11 data with a percentage of 11% including a sense of shame, guilt, and concern.