how to drow support and resistance

Open a price chart. The first step is to identify the instrument you want to analyze. ...
Find the significant highs and lows. Look for the significant turning points or swing highs and lows. ...
Draw the support and resistance lines. ...
Check for validity.

To identify S&R, place a horizontal line to connect at least three price action zones, well-spaced in time. The more price action zones (well spaced in time) the horizontal line associates, the stronger is S&R. S&R can be used to identify targets for the trade.