models.py

class Thing(models.Model):

    id = models.AutoField(primary_key=True)
    name = models.CharField(max_length=256)
    tags = TaggableManager(blank=True)

views.py

q = "汽车"
ob = models.Thing.objects.filter(Q(name__icontains=q)|Q(tags__name__in=[q]))

Django中的filter返回重复对象