[Discussion on the principle and treatment pathway of Jin's three-needle technique for mind regulation and treatment from the "adjusting qi to regulate mind, adjusting blood to regulate mind"].

The Jin's three-needle technique is famous for mind regulation and treatment. From the perspective of qi and blood, the special principle and treatment pathway of Jin's three-needle technique for mind regulation and treatment were summarized and analyzed. Moreover, themethods of invigorating brain and regulating mind, calming heart and tranquilizing mind, strengthening spleen and stomach, dredging the meridian and channel were applied to guide the qi into the brain to regulate the mind. The mind is regulated by adjusting heart and blood, nourishing the yang with yin, adjusting the source of blood and qi and dredging the channel of qi and blood. With "adjusting qi to regulate mind, adjusting blood to regulate mind", a comprehensive treatment is achieved to increase the efficacy of mind regulation and treatment.