This thesis is written with the purpose to study the attitude of Pre-School children’s mothers towards baby powder products because this group of mothers are decision-makers in choosing the baby powder products for their children. The samples were selected from the mothers who resident in Bangkok Metropolitan area. The study aimed not only to find out the mothers attitude towards baby powder products in terms of products, price, place and promotion but also the influence of their children on the decision-making for any specific brand. The data were collected by interviewing the target group of mothers. The result of the study revealed that the quality of the product is the first consideration for mothers before making decision. They believed that good quality product will not cause skin allergy for their children. Pesides, other consideration include scent, finesses of the powder, brand, manufacturer and reasonable price for making sure that they get the best baby powder for their children. For children o 3-6 years old, who begin to learn and become interested in things around them, the children will demand their mother to buy the powder brand which they want and the majority of the mothers will agree with their children in consider the quality of the product. From the study, it was found out that the mothers who behave this way are those whose education is above the high school level. The best advertising media which attract mothers and children are television. For the mothers in Bangkok Metropolitan area, premium are the last factor to take into consideration.