Disclosed are a fingerprint-based positioning method and apparatus, and a computer storage medium, relating to the technical field of location positioning. The method comprises: when receiving a wireless signal used for positioning and sent by a mobile terminal, decomposing a primary area signal and an adjacent area signal for positioning from the wireless signal; taking the combination of the primary area signal and the adjacent area signal for positioning as a condition for searching in a pre-established geographical fingerprint index table; and according to a fingerprint feature record, obtained through searching in the geographical fingerprint index table, of the combination of the primary area signal and the adjacent area signal, positioning the mobile terminal.