Taijiquan Taijiquan is a generalized groups linked boxing Taijiquan: tai chi as a kind of all ages, rich connotation of the art fitness regimen, from China to the world. However, the majority of practicing tai chi enthusiasts, mostly on the definition and connotation of tai chi, are in a state of dazed. When you read the following explanation will be of significant harvest. Chinese people understand the way of thinking of things in the universe: the ancient people of various natural phenomena, after a long period of observation, recognize that all things in the universe, there are two aspects of the unity of opposites, so they use the word 'yin and yang' to summarize them. As early as the Shang Dynasty Oracle, there is 'dark'' Yang Day' with the yin and yang of the meaning of the word, this is a true record of the ancients rub the concept of natural phenomena. Generally speaking, the everyday things most likely to see, is the first to recognize something. The day and month is the the ancients most commonly seen objects, people see or do not see the sun and the moon, the sun and the moon are in the non-stop running. Usually the sun during the day and shines at night no, but along with the moon yet to rise on the horizon, so that people will produce a relative concept of day and month. Yin and Yang is also relatively, when the ancients during the day the sun shines given the order "yang", "yin" nature is opposite the sun moon. This is what the ancients first 'yin and yang concept'. 'Yin and yang' concept is very simple, refers only to the daylight of support or opposition, do not have the philosophical significance. Sun's support or opposition for the grassroots, but later the ancients observed surface widening observe the depth increases, the yin and yang of the original simple concept gradually been extended, and that appeared to come out of certain relative concept through analogical thinking. Such as: days yang for yin; date Yang Yin months; daytime yin yang night; fire yang, water yin yang; Male, female yin. Any active, invisible, up, warm, bright, hyperthyroidism belong Yang; any quiet, tangible, inward, downward, cold, dull recession are all overcast. So the ancients they put all kinds of things and phenomena of nature and the human body points attributed to the attributes of yin and yang, also create a thinking system based on the concept of yin and yang is relatively basic.