Main morphological expressions of interesting packaging include isomorphic techniques, bionic tactics, narrative, repetition, etc. Through deconstructing and reorganizing different packaging elements with certain internal relations, isomorphism technique forms a new packaging style to express the connections among things more vividly, therefore to strengthen the packaging theme. Bionic tactics applies the structure, shape, color and function of orga-nisms in nature to the design, which makes the packaging more functional, novel and interesting to meet people’s aesthetic taste of the product form. Repetition is generally used in the packaging design of a certain brand, one or several different product lines at different times in a variety of forms, which promotes consumers’ loyalty to the brand. Repetition employs simple unit combinations to form an aesthetic vision and harmonious rhythm, which makes the packaging simple, tasty and interesting.