Method and system for preventing user from repeatedly profit in marketing activity

The invention relates to a method and a system for preventing a user from repeatedly profit in a marketing activity. The method comprises the following steps: acquiring user identification information; establishing an association relationship between the user identification mark and the user identification information; and establishing a corresponding model for preventing the user from repeatedly profit for the service scene based on the association relationship between the user identification mark and the user identification information. According to the method and the system for preventing the user from repeatedly profit in the marketing activity, decoupling with various entity IDs is realized by associating the marketing activity with the user identification mark, the purpose of preventing from changing along with the change of the various entity IDs is realized, and meanwhile, the effect of reducing customer complaints can also be achieved. 本发明涉及一种防止用户在营销活动中重复获利的方法及系统，包括：获取用户标识信息；建立用户识别标志与用户标识信息的关联关系；基于用户