You must have a passport to get a visa.

Not necessarily, visas are generally endorsed on passports (in this case, passports are required), some are endorsed on other travel documents instead of passports (in this case, passports are not required), and some are issued separately.

For example, immigration visas in the United States and Canada are A4 paper, and Singapore also issues separate paper visas to foreigners. Generally speaking, a visa must be used at the same time as a passport to be valid.

Generally speaking, a passport is the holder's nationality and identity certificate, while a visa is the permission certificate of a sovereign country to allow foreign citizens or their own citizens to enter, exit or transit.

Extended data:

To apply for a foreign visa, whether China people apply for a foreign visa or foreigners apply for a visa from other countries, no matter which method is adopted, whether it is entrusted or handled directly by themselves, they generally go through the following procedures:

1. Submit a valid passport.

2. Submit various documents related to the application, such as birth certificate, marital status certificate, education certificate and work experience certificate.

3. Fill in and submit the visa application form. Different visas have different forms. Most of them should be filled out in foreign languages and photos should be provided at the same time.

4. Go to the embassy or consulate in China to meet officials. Some countries stipulate that all immigrant applicants must be interviewed before making a decision; Some countries also require interviews to apply for non-immigrant visas.

5. The embassy or consulate shall submit the completed visa application form and necessary supporting materials to the domestic competent authorities for examination and approval. The embassies and consulates of a few countries have the right to issue visas directly, but they still have to report to China for the record.

6. After going to the competent department of the host country for necessary examination and approval, notify the embassy or consulate of the host country of the examination and approval opinions. If you agree, a visa will be issued. If you refuse, you will also inform the applicant. (For visa refusal, the embassy or consulate will not refund the visa fee. )

7. Pay the visa fee. Generally speaking, when submitting a visa application, you must pay the fee first. In some countries, the fee is charged only after the visa application is successful. Generally speaking, immigrant visa fees are slightly higher and non-immigrant visa fees are slightly lower. There are also some countries and regions that are visa-free.

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