Abstract: Provided are Enterococcus lactis, a drug for preventing or treating tumor, and use thereof, relating to the technical field of biomedicines. Novel Enterococcus lactis is separated and chosen, and the Enterococcus lactis has an important influence on the effect of tumor immunotherapy for cancer patients. Gut microorganisms and immune cells can interact with each other to jointly regulate the human immune system. The provided Enterococcus lactis can induce the differentiation and maturation of iDC (immature DC) cells, and mature DC can effectively activate T cells and increase the infiltration of tumor infiltrating lymphocytes having anti-tumor activity, thereby killing tumor cells. In addition, the provided Enterococcus lactis can induce the differentiation of M0 type macrophages into M1 or M2 type cells.

Abstract: Application of a traditional Chinese medicine composition to preparation of a medicine for treating or preventing coronavirus infection. The traditional Chinese medicine composition includes: 2-10 parts of flos lonicerae, 2-10 parts of fructus forsythiae, 2-6 parts of herba menthae, 2-4 parts of herba schizonepetae, 2-5 parts of fermented soybean, 2-6 parts of fried arctii fructus, 2-6 parts of radix platycodonis, 2-4 parts of herba lophatheri and 2-5 parts of radix glycyrrhizae. The traditional Chinese medicine composition has a good effect of treating or preventing coronavirus-related diseases.

Abstract: An application of a traditional Chinese medicine composition to preparation of a medicine for treating or preventing coronavirus infection. The composition is prepared from the following raw material medicines in parts by weight: 1-3 parts of honey-fried herba ephedrae, 1-10 parts of semen armeniacae amarum, 1-6 parts of radix platycodonis, 1-6 parts of radix peucedani, 1-6 parts of bulbus fritillariae thunbergii, 1-6 parts of radix stemonae, 1-3 parts of oroxylum indicum, 1-10 parts of radix glehniae and 1-3 parts of radix glycyrrhizae. The diluent of the traditional Chinese medicine composition can protect Vero cells infected with 2019-nCov virus.

Abstract: Application of a traditional Chinese medicine composition to preparation of a medicine for treating or preventing coronavirus infection. The traditional Chinese medicine composition includes: 5-30 parts of herba houttuyniae, 5-30 parts of flos lonicerae, 5-20 parts of radix paeoniae rubra, 3-15 parts of folium artemisiae argyi and 3-15 parts of herba menthae. The traditional Chinese medicine composition has a good effect of treating or preventing coronavirus-related diseases.