There is a wealth of evidence in support of a acupuncture:

Pain relief:

Biliary Colic

Facial pain

Dysmenorrhoea ( pain of menstruation)

TMJ dysfunction

Pregnancy

Nausea and vomiting

Morning sickness

Induction of labour

Low back pain

Musculoskeletal

Tennis elbow

Sciatica

Stroke

Headache

World Health Organization `Acupuncture: Review and Analysis of Reports on Controlled trials’