This book divides three parts. The first part explains what future technology factors will influence US economy development. The second part explains what future technology factors will influence UK economy development. The final part that I shall give some economy theories to explain why these kinds of technological factors can influence future these both countries’ economy growth. It brings this question: What are future influential technological development trend to US and UK? This book concerns to be given on my opinions and some economists’ opinions to UK and US both countries government and businessmen what will be the most urgent important needs to develop on the technological product investments aspect. I shall indicate the online teaching technology and environment protect technology, such as natural energy, farming environment protect technology etc. as well as automatic technology in manufacturing industry, such as human intelligence products to give my reasons and some economists’ reasons to explain to support why these three technological developments will be valid to invest to develop to UK society in the future.