"Design and observation", as a method to find out the problem, the observation should be taken from two perspective, arts and sciences. It's the way to solve the problem and connects with the creation of the future. For understanding the target of the observation, people should watch it carefully and describe the conditions, the situations, and the changes of the target. Then find out the new things from them. It is the fundamental of the sciences, and also the method of the arts that connecting the discovery and knowledge from the confirmation of the truth deeply with the creativity. And sum up the observations, which is the mixture of subjectivity and objectivity, and draw out the new things from it, that is the essentiality of the sciences, the manufacturing, and design.