First of all, we should cultivate our observation ability, especially be good at discovering and observing in our daily life. If we have time, we can go to some places where there are many people in the market, and observe the dynamics, proportion and manner of every pedestrian in the process of people coming and going. Secondly, it is necessary to understand the human plane, the proportion of human body, the structure of bones and muscles. Generally, beginners should first draft and determine the proportion of characters before drawing details.