This research aimed to study factors influencing Thai consumers’ purchasing behavior of second hand furniture. This is quantitative research. Completed questionnaires were received from 406 consumers who liked second hand furniture and used to buy them. Descriptive statistics, inferential statistics, and multiple regression analysis were used to analyze data. The results showed that: 1) consumers with different age, educational levels, occupations, and incomes had different behaviors when purchasing second hand furniture, 2) consumers with different purchasing objectives had different behaviors when purchasing second hand furniture, and 3) requirement for value-added, history of second hand furniture, product refinement, taste, craziness, and value for money significantly influenced consumers’ purchasing behavior of second hand furniture