What is the oldest kungfu in China?

In 2006, Tai Ji Chuan and Tai Ji Chuan were listed as national intangible cultural heritage. They are a kind of China traditional boxing, which combines both internal and external training, rigidity and softness, and combines the changes of Yin and Yang elements, meridians of traditional Chinese medicine, ancient introduction and breathing. They take Taiji and dialectical thought of Yin and Yang in China's traditional Confucianism and Taoism as the core ideas, and integrate many functions such as nourishing, strengthening the body and fighting. There are many schools in Tai Ji Chuan, such as Chen, Yang, Wu, Sun and Yue. They learn from each other and have their own characteristics. Tai Ji Chuan was formed in the Ming Dynasty, with a broad mass base, and it is still endless today in the 2 1 century.