The researchers who study the traditional Taijiquan know it very well that the important characteristic of Taijiquan is that the status of yin and yang play a leading role in the Taijiquan. Respond if there is change of Yin and Yang. Yin is inseparable from yang, and vice verso. The complement of yin and yang is something like Taiji totem which the fish of yin and yang are independent of each other. Because yang refers to inhaling and opening Yin refers to expanding, exhaling and joining.

 传统太极拳深研者都明白，太极拳的重要特征是阴阳在拳中的主导和拳母的地位。动则阴阳变动，阴不离阳，阳不离阴，阴阳相济，如太极图腾，阴阳鱼互相不离。因为收为吸，为开（大小关节开，阴阳收放，为普遍规律太极阴阳编转，有特殊性，应在习练中体验。）阴为放，为呼，为合，首尾相接正是阴阳相济，黑鱼（阴）白眼，白鱼（阳）黑眼，阴中有阳，阳中有阴的深层拳理，照此运用立于不败。