Abstract: Application of modern information technology in teaching mode and teaching means provides a new idea for teaching of basic courses of applied engineering in Xinjiang Agricultural University．Combining advantages of Xuexitong and Dingtalk, taking the course of Complex Function and Integral Transformation of electrical major as an example, starting from teaching status of the course, teaching research of Xuexitong + Dingtalk based on mixed teaching was carried out．Teaching results showed that 90.5% of students recognized mixed teaching method of Xuexitong + Dingtalk, and final examination results were greatly improved compared with the same difficulty test questions of previous sessions．Teaching practice research could also improve teaching effectiveness and teaching quality of applied engineering basic courses．