The invention provides a commodity tag generation method and apparatus. The method comprises the steps that a server obtains text features of commodities according to text description information corresponding to the commodities in a commodity set, wherein the commodity set comprises at least two commodities; the server obtains adjacent objects of the commodities according to a behavior sequence of a user, wherein the adjacent objects include commodities, meeting a condition that a time interval of commodity occurrence is smaller than a preset time interval threshold, in the behavior sequenceof the user; the server determines an initial tag set of part of the commodities in the commodity set; and the server generates tags for the commodities in the commodity set by adopting a heterogenoustag topic model according to the text features, the adjacent objects and the initial tag set. According to the tag generation method provided by an embodiment of the invention, the user does not needto participate in commodity tag allocation, so that the cost is relatively low and the applicability is wider; and in addition, the text description information of the commodities and the adjacent objects of the commodities extracted from the sequence of the user are utilized at the same time, so that the accuracy is relatively high.