Table 1.

Inclusion and exclusion criterion for considering studies for this review.

Study selection	Inclusion	Exclusion
Studies	1. RCTs involving acupuncture against another treatment or placebo/sham in patients with TN.2. Studies that the term of “randomization”was mentioned.3. Outcomes related to evaluate anxiety or depression is required.4. Studies that were reported in Chinese or English.	1. Incorrect randomization methods.2. Other designs (such as in vivo, in vitro, case report and non-RCTs).3. trials without control group.
Participants	1. All TN patients with anxiety and depression who received acupuncture therapy.2. There are no restrictions on age, gender, nationality and ethnicity.	1. Not meet diagnostic criteria for TN.2. Not accompanied by anxiety or depression.
Interventions	1. Body acupuncture, including MA or EA.2. Auricular acupuncture.3. Scalp acupuncture.4. Warm needle acupuncture.5. Plum blossom needling.6. Fire needling.7. Acupuncture combined with other therapies.	1. Moxibustion.2. Laser stimulation.3. Massage.4. Transcutaneous electrical nerve stimulation.
Comparators or control	1. Sham/placebo acupuncture.2. Waiting list.3. Western medicine.4. Moxibustion.5. Massage.6. Psychological intervention.	1. Comparing different acupoints.2. Different forms of acupuncture.