Data processing method and device

The embodiment of the invention provides a data processing method and a data processing device. The data processing method comprises the following steps: acquiring a purchase request; judging whether the purchase request is a first-time purchase request of a purchaser or not; if the purchase request is the first-time purchase request, feeding back an invitation request to a user terminal of the purchaser; receiving response information fed back from the user terminal of the purchaser; if the response information comprises information that the purchaser is willing to join in members, feeding back first price corresponding to purchased goods to the user terminal of the purchaser, or else acquiring second price from the user terminal of a commander, and feeding back second price corresponding to the purchased goods to the user terminal of the purchaser. By adopting the method, a recommender can relatively actively popularize goods of a company, purchasers can take certain discounts even if they do not join the m