PROBLEM TO BE SOLVED: To improve a product identification rate of a product that is taken in and out of a shopping cart while suppressing a data communication amount and a calculation processing amount, and automatically managing and paying out a product management server, an automatic cash register system, and a product Provide management program and product management method. A merchandise management server 1 for managing merchandise to be taken in and out of a shopping cart, a hand position data obtaining unit 41 for obtaining hand position data from hand position detecting means, and a hand from outside the shopping cart. A hand movement determination unit 42 that determines whether the user has moved inward or from the inside to the outside, a hand image group data acquisition unit 43 that acquires hand image group data when the hand moves in and out of the shopping basket, and the inside When the product is held by the moved hand, the product is registered in the shopping basket data storage unit 33. When the product is held by the hand moved to the outside, the purchased product management unit deletes the registered product. 46. [Selection] Figure 1
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