1. Primary computer training course: mainly office software. After graduation, I mainly engage in simple document editing and table making, and the cost is about 2000-4000 yuan.

2. Intermediate computer training course: The main learning contents at this stage can be summarized as hardware training, computer system maintenance, server operation and maintenance, database management, etc. The tuition fee is about 6000-9000 yuan.

3. Advanced computer training course: Most of the knowledge learned is concentrated in software, such as java, Android, UI, software development, big data, artificial intelligence, cloud computing and so on. Most of the trainees are college students, and the training cost is about 10000-20000 yuan.