Table 1.

PubMed search strategy.

Number	Search items
#1	“COVID-19” [Title/Abstract] OR“COVID 19” [Title/Abstract] OR“SARS-CoV-2 Infection” [Title/Abstract] OR “Infection, SARS-CoV-2” [Title/Abstract] OR“SARS CoV 2 Infection” [Title/Abstract] OR“SARS-CoV-2 Infections” [Title/Abstract] OR“2019 Novel Coronavirus Disease” [Title/Abstract] OR “2019 Novel Coronavirus Infection” [Title/Abstract] OR“2019-nCoV Disease” [Title/Abstract] OR“2019 nCoV Disease” [Title/Abstract] OR“2019-nCoV Diseases” [Title/Abstract] OR “Disease, 2019-nCoV” [Title/Abstract] OR “COVID-19 Virus Infection” [Title/Abstract] “COVID-19 Pandemics” [Title/Abstract] OR “COVID 19 Pandemic” [Title/Abstract] OR “2019-nCoV Infections” [Title/Abstract] OR “COVID-19 Virus Diseases” [Title/Abstract] OR “SARS Coronavirus 2 Infection” [Title/Abstract] OR “Disease 2019, Coronavirus” [Title/Abstract]
#2	“Anorexia” [Title/Abstract] OR“Anorexias” [Title/Abstract] OR “Na difference” [Title/Abstract] OR “dystrophy” [Title/Abstract] OR “mortification” [Title/Abstract] OR “food refusal”[Title/Abstract] OR “mental derangement”[Title/Abstract]OR “nausea” [Title/Abstract] OR “vomiting” [Title/Abstract]
#3	“Moxibustion” [title/abstract] or “Moxabustion” [title/abstract] or“moxa stick moxibustion”[title/abstract] or “moxa cone moxibustion”[title/abstract] or “direct moxibustion” [title/abstract]. or “indirect moxibustion” [title/abstract] or “partitioned moxibustion” [title/abstract] or“moxa-moxibustion” [title/abstract] or “warm moxibustion” [title/abstract]
#4	“andomized controlled trial” [Title/Abstract] OR“ randomized” [Title/Abstract] OR“ placebo”[Title/Abstract].
#5	#1 and#2 and #3 and #4