1. You need to find the relevant recruitment information of the train operation company or the railway catering service company to see if there is any vacancy for the position of chef. You can consult the recruitment website, company official website and human resources platform to find recruitment information.

2. According to the requirements of recruitment information, prepare a complete resume and cover letter. Resume should list personal information, work experience, education, professional skills, certification and other related information in detail, highlighting the chef's experience and ability.