There is a simple trick for that and its called 'NEHA D' trick-
N-Name, E-Your educational qualifications, H-Your Hobbies, A-Your Aim, D-Your Dream.
these are the most fundamental aspects of your life which are to be mentioned while introducing yourself.
once you get over with this five thing, you may add some more points like your family details and your daily routines, etc.
Here is an example-
I am Gaurav.Presently, I am studying b.sc medical under KUK University. My hobbies are playing chess and reading books. I am particularly interested in listening to music, and I admire Indian classical dance forms especially Kathak dance. To become a biologist is my aim. My dream is to travel around the globe and admire the seven wonders of the world.