Night school belongs to adult education. You can use your spare time to improve yourself and increase your value. Suitable for on-the-job personnel to participate in the study after obtaining the certificate. There are also some night schools in vocational training schools, which are also a kind of night schools. For example, the night shift of the building skills training class conducted by Chengdu Jianda Building Vocational Skills Training School is mainly a training course to facilitate the on-the-job personnel to carry out building post skills training and increase their own value.