If you already have a U.S. visa, you can submit the following documents for a Canadian tourist visa:
1. A passport valid for more than 6 months.
2. Photo: One recent 2-inch (3.5cm x 4.5cm) color photo with a white background taken within the last 6 months.
3. A photocopy of both sides of your ID card, a photocopy of your household registration book, and if married, a photocopy of your marriage certificate.
4. Application forms: Temporary Resident Visa Application Form (IMM5257E), Family Information Form (IMM5645E), and Education and Employment Details Form.
5. Financial proof: Provide the original bank book or original bank statements for the past six months, with a balance of at least 50,000 yuan. New accounts or recent deposits are not acceptable; savings accounts must have records of over one year, and fixed deposits must have been made at least six months prior.
Note:
1. If the applicant is a student, a photocopy of the birth certificate is also required.
2. If the applicant is a retiree, the original retirement certificate and a photocopy are required.
3. It is advisable for applicants to supplement their application with an employment certificate and a photocopy of the business license.
4. Insufficient documentation (such as inadequate proof of assets or lack of employment certificate) may also hinder the visa approval process.



