Modern cosmetics refer to the preparations (except soap) used for human body in order to beautify, retain or change people’s appearance (for example, for performance), or for cleaning, dyeing, wiping, correcting or protecting skin, hair, nails, eyes or teeth. Nowadays, women have become the main consumers in the cosmetics market. They have unique views on beauty, strong self-awareness and delicate feelings. How to design the packaging of cosmetic products according to their psychological characteristics to meet their sense of beauty, superiority and vanity, so as to increase the sales of cosmetic products. Therefore, for cosmetics manufacturers, it is more important to improve the packaging quality of cosmetics. Thousands of differences among consumers, cosmetics packaging should not meet the aesthetic requirements of consumers, so the following aspects should be paid attention to in the design of cosmetics iron box packaging.