Computer training costs 3000-30000 yuan. The cost of computer training courses is related to the majors and students themselves, mainly the majors and time. The specific analysis is as follows:

1. Primary computer training class: The primary computer training class is mainly based on office software. After completion, they are mainly engaged in simple document editing and table making, or the main training group is to improve the skills of on-the-job personnel. At present, the cost of primary computer training courses on the market is about 2000-3000 yuan.

2. Intermediate computer training course: The main content of this computer training course can be summarized as hardware training, namely computer maintenance, computer system maintenance, server operation and maintenance, database management, etc. That is, computer hardware facilities maintenance and simple software operation and maintenance.

3. Advanced computer training courses: Most of the knowledge learned in advanced computer training courses focuses on software, such as java, Android, UI, software development, big data, artificial intelligence and cloud computing. Most of the training targets are college students, so the training time is half a year to one year, and the training cost is about 15000-20000 yuan.