Table 1.
Search strategy used in PubMed database.
| Order | Search terms |
| #1 | psoriasis[Mesh] |
| #2 | psoriasis vulgaris[title/absteace] |
| #3 | Plaque psoriasis[title/absteace] |
| #4 | psoriases[title/absteace] |
| #5 | psoria[title/absteace] |
| #6 | Baibi[title/absteace] |
| #7 | #1 or #2 or #3 or #4 or #5 or #6 |
| #8 | Fire needle therapy[Mesh] |
| #9 | Fire needle[title/absteace] |
| #10 | Burn needle[title/absteace] |
| #11 | Red-hot needle[title/absteace] |
| #12 | Fire-needle[title/absteace] |
| #13 | Fire needling[title/absteace] |
| #14 | Fire Acupuncture[title/absteace] |
| #15 | #8 or #9 or #10 or #11 or #12 or #13 or #14 |
| #16 | Randomized controlled trials[title/absteace] |
| #17 | Controlled clinical trial[title/absteace] |
| #18 | Clinical trial[title/absteace] |
| #19 | Tial[title/absteace] |
| #20 | #16 or #17 or #18 or #19 |
| #21 | #7 and #15 and #20 |