Author contributions
YQQ, XC designed the study; YHY and MYZ performed the data collection; JYL and RL analyzed the data; XC drafted the manuscript; YQQ revised the manuscript. All authors read and approved the final manuscript.

Funding
This work was supported by the fund from New Coronavirus Pneumonia emergency research project of Shandong University (2020XGA02).

Data Accessibility
Publicly available databases were analyzed in our study. The active ingredients and putative target genes of SFJDC from TCMSP can be found in http://tcmspw.com/tcmsp.php. NCP-related target genes were from GeneCards (https://www.genecards.org/). Abbreviations
ACE2 Angiotensin converting enzyme 2
ARDS acute respiratory distress syndrome
BBB blood-brain barrier
BC Betweenness Centrality
BP biological processes
Caco-2 Caco-2 permeability
CC cellular components
CC Colseness Centrality
CG candidate genes
DC Degree Centrality
DL drug-likeness (DL)
EC Eigenvector Centrality
FF Forsythiae Fructus
GO Gene Ontology
HP Herba Patriniae
I licorice
IR Isatidis Radix
KEGG Kyoto Encyclopedia of Genes and Genomes
LAC Local average connectivity-based method
LHQWG LianHua QingWen granules
MF molecular functions
NC Network Centrality
NCP Novel Coronavirus Pneumonia
OB oral bioavailability
PCRR Polygoni Cuspidati Rhizoma Et Radix
PPI protein-protein interaction
PR Phragmitis Rhizoma
RB Radix Bupleuri
SFJDC ShuFeng JieDu capsule
SARS-COV-2 Severe Acute Respiratory Syndrome-Coronavirus-2
TCM Traditional Chinese Medicine
TCMSP Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform
VH Verbenae Herb