Points: Neiguan (PC6), Ximen (PC4), Jianshi (PC5), Shaohai(HT3), Xinshu (BL15), Zusanli (ST 36) and Sanyinjiao (SP6)
Technique: Use the compound Danshen injection fluid, choose two or three points each time, and inject 0.5 to 1ml fluid into each point. The injection is given once every other day, 10 sessions being one course.