To search ancient literature and Chinese medicine references, consult the modern humanities research achievement, and discuss the meridians theories such as "going and coming", "going along and against", "acupuncture method of reinforcing and reducing", and "deficiency and excess" etc. the results show that the ancient's space and time idea, meridian qi moving are manifested in meridian theory, and play an important role in "the unity of heaven and humanity". The pulse and circulation of meridian qi can be checked by the method of "waiting for qi arriving", and the acupuncture method of reinforcing and reducing is applied due to the "waiting for qi arriving", in order to promote qi in line with time. Nowadays, compared with ancient method, the acupuncture method of reinforcing and reducing in teaching material is lack of the time factor.