The cash flow of technical copywriting is the cash flow of an enterprise in a certain accounting period according to the cash cash realization system, cash flow is expressed in terms of inflow and outflow and net. According to the query relevant public information, the cash flow of technical copywriting is the flow of cash and cash equivalents of an enterprise in a certain period of time, the net increase in cash in the current period = net cash flow from operations + net cash flow from investments + net cash flow from financing.