The invention discloses ponkan and honey chestnut kernels which are prepared from ponkan, chestnuts, semen sterculiae nobilis, papaya, Romaine lettuce, a proper amount of water, radix angelica sinensis, butterflybush flowers, selfheal, mellisa officinalis leaves, gamboges peel, honey, camellia oil and coix seed powder. A preparation method includes the following steps that firstly, chestnut kernels for use are prepared; secondly, mixed fruit and vegetable juice is prepared; thirdly, coarse cereal pulp is prepared; fourthly, a nutritional solution is prepared; fifthly, a soaking solution is prepared; sixthly, the chestnut kernels for use are placed in the soaking solution to be soaked, flavored, taken out and dried, and the ponkan and honey chestnut kernels are obtained. Nutrients of ponkan, lettuce and other fruits, vegetables and coarse cereals are introduced into the honey chestnut kernels, and meanwhile health-care beneficial components like coix seed and radix angelica sinensis are added, so the ponkan and honey chestnut kernels are unique in flavor, crispy and delicious in taste and strong in fruit aroma, supplement nutrients required by human bodies, and also have the health-care functions of nourishing stomach, strengthening spleen, tonifying kidney, strengthening tendons, activating blood circulation, building bodies and the like.