How many ways are there to travel freely to Taiwan Province Province?

There are four ways to travel freely to Taiwan Province Province: tourist visa: if it is a free and open city, you can directly apply for a personal tour to Taiwan Province Province; Business visa: you need an invitation letter from a company in Taiwan Province Province, and you can travel to Taiwan freely in the name of business exchange; Health examination visa: free travel to Taiwan Province Province in the name of health examination and medical beauty, regardless of household registration, age and occupation; Visa for visiting relatives: you need to have immediate family members in Taiwan Province Province, and you can apply for a visa for visiting relatives;