Bloodletting is a treatment that involves the use of special needles combined with appropriate techniques to pierce some acupuncture points and lesions on the body to release a small amount of blood to help relieve pain and treat disease. Common efficacy and effects mainly include the opening of the meridians and activating the channels, awakening the brain and calming the mind, activating blood circulation and removing blood stasis, clearing heat and detoxification, etc. However, it should be noted that because the operation technique is very important, so it should be operated by a professional Chinese medicine practitioner, and should not be handled by oneself to prevent adverse consequences: 1, opening the meridians and activating the channels: the method of acupuncture can produce a certain stimulation of the bones and meridians, and through proper bloodletting, it helps to open the meridians and regulate qi and blood, thus playing a The effect of opening the meridians and activating the channels. It is also useful for relieving headache, lumbago, stomach pain and other symptoms; 2, to awaken the brain and calm the mind: blood pricking therapy can inhibit abnormal excitation of the sympathetic nervous system, play a meridian, qi and blood flux, help to calm the mind and wake up the brain, and promote the rapid awakening of fainting patients; 3, to activate blood circulation and remove blood stasis: acupuncture and bloodletting therapy through a small amount of blood, stimulation of meridians and acupuncture points, help to promote the body’s hematopoietic function It can be used to harmonize yin and yang, tonify qi and nourish blood, invigorate blood circulation, eliminate blood stasis, and relieve swelling and pain. It can be used in the treatment of bruises and trauma, acute purulent tonsillitis, upper respiratory tract infections and many other diseases. 4. Clearing heat and detoxification: It can be used to clear heat and detoxification by properly stimulating local lesions and discharging blood containing metabolic waste, such as incipient carbuncles and boils, and dandruff, etc. In addition, it is also useful for the treatment of acute mastitis in the early stage.