Technology and Business are going together. Business is changing every moment. Since Communication technology is a dynamic process so it creates the new scope for doing business with first and secure mode. Today Business is mostly involving with modern technology and Communication those come from the continuous development of version of technology. First, affordable, flexible internet can act to grow the Business condition and can provide better customer experience. As 4G (4th Generation) internet provides great speed, flexibility, reliable internet connection with affordable price than 3G internet in Bangladesh so 4G internet has probable impact on the Business growth of Bangladesh. This paper has provided the impact of 4G internet on the Business conditions of Bangladesh and it has shown the factors of 4G like-Flexibility, great speed, affordable price, reliable internet connection, less time consuming, faster web site contents and faster browse those are directly related to grow the business of Bangladesh. As the 4G internet is started very recently in Bangladesh so it would play a vital role for Business owners and end users where the Business owner will get faster internet and website contents those will helpful for Business communication mix and result will ultimately go to Business growth. Some countries of the world are applying 5G technology for their business growth but in case of Bangladesh 4G would be essential tempo for business people to change business and to emerge new market with new demand.