1. astronomy
Ancient astronomy in China is one of the oldest in the world, and its history can be traced back to 3000 BC. According to the observation and records of the sky, ancient astronomers in China developed many astronomical theories and techniques. They discovered the laws of motion of the sun, moon, five planets and stars, and established calendars of day, month, star and morning. The development of astronomy in China has a far-reaching influence on the development of China's culture and philosophy.
2. Agricultural science
China is a big agricultural country, and ancient agricultural science has also received extensive attention and research in China. Ancient agronomists put forward many agricultural theories and technologies based on their observation and practical experience in the natural environment. They studied the influence of natural conditions such as land, climate and water conservancy on agricultural production, and invented many farm tools and crop planting techniques. The ancient agricultural disciplines in China not only had a far-reaching impact on the development of agriculture in China, but also contributed to the development of agricultural science in the world.
3. Traditional medicine
Traditional medicine in China has a long history, which can be traced back to 2000 BC. Traditional medicine in China includes Chinese medicine and acupuncture. Traditional Chinese medicine studies the physiological and pathological phenomena of human body and puts forward many unique theories and disease treatment methods, such as acupuncture, massage and decoction. As an important part of traditional medicine in China, acupuncture has been listed as an important drug treatment method by the World Health Organization. Traditional medicine has had a positive impact on the development of medicine in China and the world.
4. Ancient Mathematics
Ancient mathematics in China developed earlier, and its history can be traced back to 2000 BC. Ancient mathematicians mainly studied arithmetic, algebra, geometry and number theory. They invented many calculation tools and methods, such as abacus, nine chapters arithmetic and so on. Ancient mathematicians in China put forward many important mathematical theories and formulas, such as Pythagorean theorem and sequence of numbers. The discipline of ancient mathematics in China had a far-reaching influence on the development of China's culture and philosophy, and also made an important contribution to the development of mathematics in the world.
In a word, the four ancient scientific disciplines in China include astronomy, agronomy, traditional medicine and ancient mathematics. These subjects not only have an important influence on the development of China's culture and philosophy, but also have an important contribution to the development of world science.