Nowadays, the family system has changed from a large extended family group to a more nuclear family and the number of people who live by themselves has been increasing. Moreover, Korea is becoming an aged society, and pets are becoming more important as leave the family home. So a lot of people in Korea now consider pets as their family members due largely to the drastic change of their life style. Therefore, the rate of importing commodities for pets like cats and dogs has been increasing dramatically. In this study, in response to the growing interest in the pet industry, I have studied recent trends and types in the pets wear markets which are still in the first stage of development in Korea. In order to enhance the possibility of mass producing pets ready-made clothes for making the unit cost lower, firstly, I presented a new basic design and pattern of pets wear made up of general textile. After that, following basic purpose of pet wear, I classified decorative clothes into party wear, everyday wear and street wear and then I developed the pattern and made a pair of works for each item totaling 6 in all. I hope that the number of Korean companies which can enhance their reputation through by marketing these products in Korean as well as all around the world will increase. I believe this will be possible because by taking advantage of the easy pattern developed in this thesis. They will be able to mass produce their own high quality pets wear brand.