The invention provides a duck ham and a preparation method thereof, which can overcome the defect that the duck food is single in the prior art. The invention adopts a technical scheme that: the duck ham comprises the following components in part by weight: 80 to 100 parts of duck and 5 to 15 parts of auxiliary seasonings. The duck ham has the advantages of unique bread appearance, smoky flavor, tight section, fresh and tender meat and non-greasy fat meat so as to expand the approach of duck into novel meat food and increase the income of farmers who breed ducks.