Thailand's pillar industries include: 1. Natural mineral resources Tin is Thailand's most important mineral, with reserves of 1.5 million tons, ranking first in the world.

Tin mines are mainly distributed in Chumphon, Ranong, Phang Nga, Phuket, Surat Thani, Nakhon Si Thammarat, Trang, Songkhla, Yala and Pattani provinces in the south.

2. Agricultural income Thailand is the world’s largest exporter of rice and natural rubber.

Agriculture is Thailand's traditional economic industry. The country's arable land area is about 140 million rai (1 rai = 1,600 square meters), accounting for 41% of the land area.

Agricultural products are one of Thailand's main sources of foreign exchange earnings.

The main crops include rice, corn, cassava, rubber, sugar cane, mung beans, hemp, tobacco, coffee beans, cotton, palm oil, coconut, etc.

3. Tourism income Thailand is a Buddhist country. With its varied scenery and rich cultural connotations, it has become a unique choice for many tourists in their vacation plans.

Thailand is known as the "Land of Buddhism", "Land of Elephants" and "Land of Smiles" in the world.

Extended information: Thailand is a land of thousands of Buddhas with numerous temples, a land of smiles where faith is paramount; with islands, delicious food and unique culture, this is a natural country for tourism.

Thailand is rich in tourism resources, with more than 500 scenic spots. In addition to Bangkok, Phuket, Pattaya, and Chiang Mai, the main tourist spots are also developing rapidly in a number of new tourist spots such as Chiang Rai, Hua Hin, and Koh Samui.

Attracting many foreign tourists.

As of 2008, Thailand has 5 world heritage sites, including: 3 cultural heritage sites: Sukhothai and nearby historical and cultural cities, Ban Chiang Archaeological Site, and Ayutthaya Historical Park.

2 natural heritage sites: Khao Yai National Park, Thong Yai Khaikeng Wildlife Sanctuary.