What kinds of Portuguese visas are there? What are the conditions and requirements?

Visa for short stay in Portugal 1. Ordinary short-term visa This is a general 90-day visa for travel, visiting relatives, short-term work or business. You need to submit valid identity documents, passport photos, health insurance certificates, return air tickets and so on in the application form. 2. Seasonal Work Visa Generally speaking, employees in the retail, construction, agriculture, forestry, fishing and hunting, food, wine or tobacco industries can apply after meeting the requirements. Among them, the main application materials are: valid identity documents, passport photos, proof of economic self-care during the stay, round-trip air ticket reservation, and airport transit visas. 3. The airport transit visa allows one flight to another flight in the airport international zone without entering the Schengen area. They don't need a Portuguese entry visa, otherwise all transit passengers at Schengen National Airport must hold such a visa. 4. Portuguese temporary residence visa A temporary residence visa is a Portuguese national visa that allows you to stay in Portugal for one year. The visa allows multiple entry, which means that overseas people can leave the country in a short time. All third-country nationals who stay in Portugal for more than 90 days need temporary residence visas for less than one year. Applicants should apply for a visa at the Portuguese embassy or consulate. The Portuguese immigration authorities have decided that the deadline for applying for a temporary visa is 30 months before the date of travel. However, applicants can apply several months in advance. Common classifications are as follows: 5. The temporary work visa will remain valid in Portugal for 90 years. Portuguese work visas can be used for long-term seasonal work, self-employment or freelance work, scientific or academic work, amateur sports activities or any other skills. 6. Portuguese study visa 90 Any suitable study period, from one year to one year. This includes secondary school, postgraduate or postgraduate education. In addition to the general documents, the applicant also needs to confirm the course of study in Portuguese educational institutions and prove that the course duration does not exceed one year. 7. Portugal's long-term residence visa, also known as residence visa, is a Portuguese national visa that stays for more than one year. To hold this visa, the applicant needs to apply to the Portuguese Immigration Bureau for a Portuguese residence permit. Common visa types are: 8. Work visa This applies to any long-term or permanent work arrangement that exceeds one year. The documents that the applicant needs to provide include: work contract or service agreement, letters from academic or research institutions detailing the nature of the work, etc. 9. study visa this is the study time of technical secondary school or above for more than one year. Applicants need to provide admission certificates of courses or schools, such as official letters from recognized institutions. For higher-level academic courses, applicants may also need to prove that you meet the admission criteria.