Meridian is an important concept in traditional Chinese medicine theory. It is not only the vascular system of the human body, but also a flow of energy. The flow of meridians is not only the flow of blood, but also the flow of various substances such as qi, blood, body fluids, and nutrients. The flow state of meridians reflects the health status of the human body. Therefore, traditional Chinese medicine theory believes that meridians can be used to diagnose various diseases, harmonize deficiency and excess, and treat illnesses.
The flow state of meridians can be determined by the pulse. According to traditional Chinese medicine theory, changes in pulse reflect the flow state of meridians, which can be used to determine the health status of the human body. By observing the pulse, traditional Chinese medicine doctors can assess the patient's condition and develop treatment plans accordingly.
经脉是中医理论中的重要概念，它不仅仅是人体的血管系统，更是一种能量的流动。经脉的流动不仅仅是血液的流动，而是包括气、血、津液、营养等多种物质的流动。经脉的流动状态反映了人体的健康状况，因此，中医理论认为经脉可以用来诊断百病，调和虚实，治疗疾病。

经脉的流动状态可以通过脉搏来判断。中医理论认为，脉搏的变化反映了经脉的流动状态，从而可以判断人体的健康状况。通过脉搏的观察，中医医生可以判断病人的病情，进而制定治疗方案。