The process of planning is market adjustment-analysis-writing-a first-class copy must be worthy of first-class execution to be a good plan, otherwise it is rubbish ~ planning is not your score. Subdivision can only be divided into marketing planning, corporate publicity/beauty/planning, and event exhibition planning. However, advertising companies generally need all-round players, and corporate planning may be differentiated and specialized according to industry and actual needs.
It may be a bit difficult to make plans immediately after graduation. If you are in an advertising company, it is recommended to do AE first. If the planner doesn't even know the market, your scheme is really not feasible. Planning is not such a joke, because planning costs customers' money, so? If you really want to do a good job in this business, start with AE, understand the market for two years and then consider planning, so that you will do better and wish you success!