This repository includes the COVID-19 data, the SARS epidemicdata in Beijing and the result data that computed by the TW-SIR. The COVID-19 data was obtained from Johns Hopkins University(https://github.com/CSSEGISandData/COVID-19). The SARS epidemic data of Beijing, China from April 20, 2003 to June 23, 2003 from the website of the Ministry of Health of China(https://web.archive.org/web/20030801083745/http:https://www.moh.gov.cn/zhgl/yqfb/index.htm). The result data included China, South Korea, France, Spain, Italy, Germany, and Brazil.