Can I renew my visa in Thailand?

A general visa is valid for three months and stays for 30 days. But in Thailand, you can usually go to landing visa, and you can spend money in Thailand to renew it for one month after the time expires. This figure is not specified. The new policy also includes:

The Ministry of Foreign Affairs of Thailand has issued a statement that Thailand will issue multiple entry visas to foreign tourists to "develop Thailand's tourism industry" and actively respond to the upcoming ASEAN integration process. The visa fee is about 5,000 baht, which is about RMB 900 yuan. The visa allows visitors to enter and leave Thailand for more than 60 days within 6 months, and is aimed at all foreign tourists.