What are the four major sciences and three major technologies in ancient China? An introduction to four sciences and three technologies in ancient China.

1, the three technologies refer to: metallurgical casting technology, textile technology (spinning and dyeing technology) and navigation technology. In human history, the highest achievement of science and culture in feudal society was created by China.

2. The four ancient sciences in China refer to astronomy, agronomy, traditional medicine and ancient mathematics.

3. Agronomy, medicine, mathematics and astronomy were the four natural sciences in ancient China.

4. From the Shang and Zhou Dynasties, through the development of the Spring and Autumn Period, the Warring States Period, the Qin and Han Dynasties, the Southern and Northern Dynasties, the Sui and Tang Dynasties, and the Song Dynasty, the ancient science and technology in China was constantly developing and progressing.

5. During the Ming and Qing Dynasties, influenced by foreign policies such as sea ban and closed door, China's ancient science and technology declined, and western science and technology was introduced to China.