To provide a magnetic recording card encoding device for accurately determining and sorting cards with a high possibility of becoming unreadable in market, due to insufficient writing occurring during encode, and decide it as being surely defective.

An erasing means 10, a writing means 11, a reading means 12a, and a reading means 12b are provided, in order starting from a card supplying means 1 side so as to face a first card conveyance path 2a, namely above. An erasure magnetic head 3, a writing magnetic head 4, a reading magnetic head 5a, and a reading magnetic head 5b are arranged so as to contact a magnetic recording card, supplied to the first card conveyance path 2a. The magnetic recording card encoding device has a magnetic characteristics evaluation function.