This is very much difficult to be a professional trader. As far I know that as become a professional trader he should have some qualities or skills. These are Traders need research and analytical skills to monitor broad economic factors and day-to-day chart patterns that impact financial markets.
The ability to focus and concentrate, particularly in a chaotic, fast-moving environment, is an underappreciated but crucial skill for traders. Self-control is crucial, as well as the ability to regulate emotions despite developments that could be upsetting. Accurate record-keeping is important for trader accountability and for learning and improving. Those are the common skills which are required for become a professional trader.