The research result found that mostly gender of sampling is male, age between 40-45, Bachelor graduate, single, employed by public company, and income per month 30,001-45,000 baht. Investment behavior; sampling more likely to invest in debt securities with Bangkok Bank, invest once a year and invest up to more than 30,000 baht at a time directly invest through the bank. That factors influent to most investment selection are economic volatility, reliability, capital protect fund, financial stability, and frequency advertisement.