Pricking blood therapy has a long history and is simple and inexpensive,and is very popular with doctors and patients.However,for a long time,doctors have paid more attention to the clinical application of pricking blood therapy,and insufficiently explored its theory,resulting in unsatisfactory clinical efficacy of pricking blood therapy,or even some medical accidents.In view of this,this paper discussed the application principle,clinical efficacy,usage methods,bloodletting volume and indications of pricking blood therapy,combined with the thoughts of relevant doctors and personal experience,i...