A group-based e-commerce advertisement promotion method, the method comprising: configuring a preset number of social promotion groups; when configured keywords are comprised in analyzed chat information, according to an information identification label that corresponds to each social promotion group, updating a two-dimensional code for a public account in a promotional article to be a two-dimensional code for a public account that corresponds to a social promotion group, and then sending the updated promotional article to the social promotion group; according to a two-dimensional code for a public account that corresponds to each social promotion group, counting the amount of user follows for a public merchant account that are brought by each social promotion group during a preset time period. The method uses a manner of dynamically updating a two-dimensional code for a public account so as to evaluate the marketing performance for each social promotion group, facilitating precise marketing and improving the conversion rate for consumption.
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