Bian magpie is proficient in various medical arts and created the four diagnostic methods.

Bian Magpie is well versed in various medical techniques and created the Four Diagnostic Methods, which consist of looking, smelling, questioning and cutting. The Four Diagnostic Methods is the basic method of diagnosing diseases in Chinese medicine, and it is worthy of our admiration that it is summarized from Bian Magpie more than 2,000 years ago, and this method is completely suitable for our society today, and it has made a great contribution to the development of traditional Chinese medicine and pulse science in our present time. The Four Diagnostic Methods are still commonly used today, and are constantly being developed and improved with the current society.

The Four Diagnostic Methods were initially referred to by Bian Magpie as looking at the color, listening to the sound, writing the shadow and cutting the pulse. The "look" diagnosis refers to the doctor's use of his own eyes to observe the patient's spirit and state of mind, the color of the surface of the body, the body's degree of thinness or obesity, the movement of the flexible or sluggish, as well as a variety of discharges, such as phlegm, pus, feces, blood and so on, from the surface of the patient's body to deduce the patient's disease. Looking is so important that Bian Magpie made it the first of the four diagnostic methods. Smell diagnosis refers to the doctor through their own sense of hearing and smell, to listen to the patient's voice and smell the patient's odor, the voice generally include breathing, vomiting, belching, coughing, etc., the smell generally have bad breath, sputum, body odor, etc..

Inquiry means that the doctor will communicate with the patient to understand the beginning of the onset of the disease and the transformation of the patient's condition, including the time of the onset of the patient's disease, the beginning of the symptoms, the feeling of the various parts of the body, the current changes in the condition of the disease, during the use of medication, and so on, to use these understandings as the basis for diagnosis. Pulse diagnosis refers to pulse diagnosis and palpation, pulse diagnosis is commonly used in traditional Chinese medicine to cut the pulse, pulse cutting is generally a Chinese medicine practitioner to use the fingers to cut and hold the inches of the patient's wrist, through the patient's arterial pulsation, including the frequency, intensity, pulse pattern, etc., in order to understand the patient's body internal changes. Palpation refers to the doctor's hand touching the place where the patient's disease occurs, in order to sense the hardness of the patient's disease, body temperature, etc., in order to help better diagnosis.

Bian Magpie, who was honored as the ancestor of medicine, was good at summarizing the experiences of his predecessors and himself, and created the Four Diagnostic Methods (四诊法), which he had already applied very skillfully in the process of treating diseases. Bian Magpie was good at understanding the symptoms and evolution of a patient's condition through observation. He was also very proficient in internal medicine, surgery, pediatrics, the five senses, and gynecology, and applied acupuncture, tonics, massage, and acupuncture in the process of treating diseases. Bian Magpie's method of pulse cutting and diagnosis is very prominent and very influential for us nowadays. This diagnostic method of Bian Magpie was also praised by the Historical Records as the first doctor to apply pulse diagnosis in clinical practice. Bian magpie is also very important for the prevention of disease, with the idea of prevention is better than cure.