This study attempts to find out the users' attitudes regarding interior design(for finishing, moods, and elements of interior design) and suggests the attitude model of interior design for the apartments, For this purpose, a field survey has been carried out with 321 households living in the apartments in Pusan. The relationships between the residents' characteristics and their attitudes toward interior design were examined in view of developing more diverse interior design alternatives for the apartments. The major findings are as follows: 1. Most residents in the apartments are interested in making diversified dwelling units and want to have diverse interior design alternatives. 2. The users' attitudes regarding interior design are significantly different according to the function of each room(master bedroom, living room kitchen, and bath room) and the household characteristics(age of housewife. income, and family life-cycle). 3. The attitude models of interior design are suggested as 3 types(6 models)according to residents' housing area and income.These findings could be used as useful data for developing diverse design alternatives to correspond with users' preferences.