Traditional Chinese medicine preparations are made from Chinese medicine as raw materials under the guidance of traditional Chinese medicine theory and are processed into medicines with certain specifications that can be directly used for disease prevention and treatment. The most representative traditional dosage forms are pills, powders, pastes, and pills. For thousands of years, traditional Chinese medicine preparations have accumulated rich experience and formed unique preparation technology in the medical practice of successive generations of doctors. They are an important part of the treasure house of traditional Chinese medicine. Tongrentang Angong Niuhuang Pills have been passed down with written records for nearly 150 years. During these more than 100 years, Tongrentang has organically combined its own pharmaceutical technology with the pharmaceutical standards of the Qing Imperial Pharmacy, traditional Chinese medicine culture, and Chinese culture, forming the traditional production skills of Angong Niuhuang Pills with Tongrentang's unique characteristics.