METHODS	When the diameter of wormb mouth opened to 2-3 cm , showing that it entered into active stage of uterine contraction , moxibustion at Sanyinjiao ( SP 6 ) for primipara was applied in moxibustion at Sanyinjiao group ; moxibustion was applied at 1 cun towards radialis from the region where 2 cun above Kongzui ( LU 6 ) in non-acupoint group , 30 minutes treatment was for both groups .\