Generally speaking, the financial manager's resume should be kept within 2 or 3 pages. The purpose of your resume is to show your key abilities and work experience to employers, make them interested in you and invite you to an interview. Therefore, your resume should be concise and clear, highlighting your professional background, skills and achievements.

It is important to include the following in your resume:

1. Personal information: including full name, contact information, email address, etc.

2. Job hunting goals: briefly describe your career goals and ambitions.

3. Educational background: List your educational background, school of graduation, major and degree obtained.

4. Work experience: List your previous work experience, including company name, position, tenure, main responsibilities and achievements.

5. Skills and professional knowledge: highlight your professional knowledge and skills in the financial field, such as financial analysis, budgeting and risk management.

6. Awards and certifications: If you have relevant awards, certifications or professional memberships, you should also mention them in your resume.

Remember, the position of financial manager usually requires high professional knowledge and experience, but the resume should not be too lengthy. Try to present key information concisely. When writing a resume, you can choose to highlight your own key points in financial management, leadership, communication skills, teamwork and so on.

In addition, each company may have different requirements for resume length. Some companies may prefer a long and detailed resume, while others prefer a concise resume. Therefore, before submitting your resume, you can check the recruitment requirements of relevant companies and understand their preferred resume length.