When applying for a Canadian visa, the embassy does not force the applicant to buy insurance for other visas (including travel/visiting relatives/business, etc.) except for a super visa. ), but if you have already bought it, you can provide an insurance policy to assist in the application. The embassy advises the applicant to provide all the materials he thinks are helpful for your visa, including insurance policies, air tickets, hotel orders, etc.
As Canada is a country with very expensive medical expenses, the Canadian Embassy advises applicants to purchase international travel insurance before going to Canada. It will be helpful for your visa application if you submit the insurance policy when you apply.