Dance class is similar to many professional art classes, and the wonderful visual performance on the stage is attributed to the persistent practice day after day under the stage. In particular, the basic skills of dance are the basic content of daily necessary training for students majoring in dance, which is of great significance to the development of dance art and personal performance ability. The practice of basic skills in dance training can't be relaxed for a day. Once we relax our vigilance, it will lead to the continuous decline of professional level. The solidity of dance basic skills will also directly affect the display effect of dance movements on the stage. Solid basic skills are the basis to ensure the performance value of dance art. It can be seen that in the period of prevention and control of special epidemic situation in COVID-19, dance professional courses must break the teaching restrictions of time and space. Using distance education equipment to carry out online teaching activities [1] is of great significance to ensure students' mastery of basic skills.

Second, the practice and application of network teaching mode in dance teaching.

With the alternation from 20 19 to 2020, the COVID-19 epidemic in Wuhan, Hubei Province also began to rapidly impact the domestic education industry. Under the background of such a special period, network teaching began to spread widely, and the development of network teaching also brought great influence to the teaching of dance specialty in China. Adopting the phenomenon teaching mode in dance professional work undoubtedly raises new problems for dance professional educators, but it also brings new opportunities for dance professional course teaching in a special period. Especially under the background of the rapid development of modern internet and data technology, even if it is divorced from the traditional face-to-face teaching mode, it can still provide guarantee for students to absorb new professional knowledge through distance teaching.

During the epidemic prevention and control in COVID-19, a normal university in China actively implemented the national epidemic prevention and control policy, and at the same time began to call on the state to respond, and quickly organized teachers and students on campus to carry out online teaching activities. Conservatory of Music is a special course in this normal university. After receiving the notice of the school to carry out online courses, the cadres and leaders will be convened as soon as possible to further discuss and plan the online teaching mode and teaching content of the Conservatory of Music. By determining the goal of online teaching, the Conservatory of Music has developed a set of online teaching mode that takes into account both teaching supervision and teaching quality. The online teaching reform mode of dance course is realized by using Tencent conference video and WeChat group mode. At the same time, in order to effectively guarantee the teaching quality of dance professional courses and ensure the maintenance of classroom discipline in online courses, the Conservatory of Music has also followed the principle of "no one can be less" in online courses. In the special period, the special affairs office has established a special attendance mechanism to ensure that every student can attend online courses on time and point by point. At the same time, in the process of developing online courses, a supervisory association system integrating students, educators and supervisors has been established, which has made progress in exploring online course modes between educators and students. From February 65438 +07, 2020