According to the inquiry law, whether free training is illegal depends on the situation. The relevant provisions of the Employment Promotion Law show that the state must follow the law in developing vocational education and vocational training. First of all, workers should take part in the vocational training related to production safety in their own units, and they should not be forced to take part in the training without a license. They should not deduct workers' wages in violation of regulations in the name of vocational training and in the way of Qian Shengqian.

Free training means that some companies will not directly hire employees after recruiting them. Instead, they are exposed to some knowledge of this industry through some free training courses, and then they are decided to enter formal jobs. This training method is usually theory before practice.