The Vegan Society (VS) is one of the most influential vegan organisations worldwide. In 1990 VS created a trademark, The Vegan Trademark, which certifies products as being suitable for vegans. While this, without doubt, has been beneficial in many ways, a change in their present labelling practice is in order. This, I argue, is due to inobservance of a simple coherence requirement to treat morally similar cases alike: the fundamental moral reason that is precluding some products from vegan certification is not precluding other products from such certification. I start by presenting the standard definition of veganism and briefly describing the two relevant cases. I then go on to argue that the treatment of such cases involves incoherence of the labelling practice. In addition, I propose a way of removing the incoherence that fits better with veganism’s future-orientedness. I finally consider and respond to some objections.

素食主义者协会（VS）是全球最有影响力的素食组织之一。1990年，VS创立了素食主义者商标，证明该产品适用于素食主义者。尽管毫无疑问，这在许多方面都是有益的，但他们目前的标签做法还是有必要进行改变的。我认为，这是由于未能遵守在道德上相似的情况下均要进行处理的简单一致性要求：排除某些纯素食产品的基本道德理由并不排除其他纯素食产品的这种基本道德原因。我首先介绍素食主义者的标准定义，并简要介绍这两个相关案例。然后，我继续指出，此类案件的处理涉及标签实践的不连贯性。此外，我提出了一种消除与素食主义的面向未来相适应的不连贯性的方法。我终于考虑并回应了一些反对意见。