What is the reason of felling cold in my foot ?

that is soo not good-there care be lots of reasons,but i feel u have a pinched nerve in ur back-also are u diabetic,if so get help immediately.it can bring lots of things to mind none good.go to webmd and it will guide u along and u put in symotms-and it will give u a variety of possibilities.im afraid ur pulse isnt that strong,u have pulse in both feet,