Pre-job training is not professional and technical training, but an obligation that employers must perform according to law, so charging is illegal. Such a company has weak legal significance, it is difficult to protect the rights and interests of workers, and there are many labor disputes. If there are other options, it is not recommended to go.

Article 68 of the Labor Law: The employing unit shall establish a vocational training system, draw and use vocational training funds in accordance with state regulations, and conduct vocational training for workers in a planned way according to the actual situation of the unit. Workers engaged in technical jobs must receive training before taking up their posts. Article 9 of the Labor Contract Law: The employing unit shall not detain the employee's resident identity card and other documents, and shall not require the employee to provide guarantee or collect property from the employee in other names.