This research aims. To study the factors that affect reading electronic books. Bangkok The sample used in this research is the reader e-book in Bangkok 385 people by questionnaire as a tool to collect data. The statistics used in data analysis were percentage , mean, standard deviation. The level of statistical significance And chi - square test showed that the respondents were mostly female, aged 18 - 25 years old Single DEGREE . Private Employees Average income per month 15,001 - 30,000 baht a e-book reading habits per year , less than or equal to 1 e-book copies are behaving costs less than 100 baht per time reading e-book 1 hour per day. behavior of computer monitors popular e-book reader e-book reader technology category . The objective of the e-book reader to develop their own opinions on the level of marketing mix factors on the business in the electronic book included in the study. The relationship that is dominant . demographic Age at time of reading e-book in one day, the marketing mix is . The result s packaging facility to store e-book e-book with the average cost per book to indicate that the development of the e-book market should be developed to match the age range . The book , divided into categories for ease of storing e-book.