The invention relates to the technical field of traditional Chinese medicine medical apparatuses and provides an acupuncture pin which comprises an acupuncture pin body and a guiding pin, wherein the guiding pin comprises a guiding pin tip and a guiding pin rod, a guiding channel penetrating through an inner cavity of the guiding pin and capable of containing the acupuncture pin body is arranged in the guiding pin, and a guiding hole is arranged at the end of the guiding channel. An end-sealed elastic surface layer is arranged on the acupuncture pin body, a pin core is arranged in the elastic surface layer, an air inlet channel and an air outlet channel are arranged in the inner cavity of the pin core, an air outlet communicated with the air inlet channel is arranged at the end of the pin core, and an air inlet communicated with the air outlet channel is arranged on the lower portion of the pin core. An airflow channel is arranged in the acupuncture pin, the elastic surface layer is arranged outside the acupuncture pin, and airflow is filled in the elastic surface layer, so that the acupuncture pin can generate a tympanites feeling in acupoints of a patient, enhances stimulation on the acupoints, and further can improve treatment effect by quantitative control on the temperature of the airflow.