Pulse is a comprehensive condition resulting of body's Qi and blood fighting with Evil Qi. It is composed of basic character and location, reflecting the state of healthy Qi and evil Qi. The Cunkou pulse is a miniature of the Qi and blood of five Zang organs and six Fu organs of the whole body. We can diagnose and distinguish the yin and yang character of the disease by feeling the pulse of both hands and constructing them. String pulse is common in clinical disease and has complex causes. This article summarized clinical experiences of string pulse during the process of learning with tutors.