| Due to the outbreak of COVID-19 epidemic, online teaching has been carried out in many colleges and universities across the country. In order to better carry out the online and offline blended teaching of “swine diseases prevention and treatment”course, the chapter of “diagnosis and treatment of porcine parasitic diseases” was selected as an example. This paper describes the teaching design from five aspects: course orientation, teaching content reconstruction, teaching objective determination, teaching key and difficult points resolution and “five-step disease diagnosis”teaching process. In addition, this paper elaborates the implementation process before, during and after class, implements a“teacher-led, student-centered” online and offline blended teaching, flipped classroom teaching process. |