Elaborate meals (often vegetarian meals) would be served with empty seats for each of the deceased in the family treating the deceased as if they are still living. Ancestor worship is what distinguishes Qingming Festival from Ghost Festival because the latter includes paying respects to all deceased, including the same and younger generations, while the former only includes older generations.
Other festivities may include, buying and releasing miniature paper boats and lanterns on water, which signifies giving directions to the lost ghosts and spirits of the ancestors and other deities.