Abstract: "Blind people feel an elephant" shows that blind people only touch some part of it and conclude what the elephant is like. Scientific research is that scientist will find the law of science, but before the truth is revealed, scientists are the "blind people" of the science, just as the blind does not know the elephants. Due to the diversity and complexity of biology, scientists should do just like "blind people feel elephants", explore from the perspectives, and use scientific methods to conduct scientific research and synthesize based on "inheritance" and "inheritance" so as to obtain of the law of science like that the blind knows the true appearance of "elephants".

Key words: "blind people feel an elephant", the diversity and complexity of biology, scientific research, scientific methods