The Four Skills of Peking Opera refer to singing, chanting, acting, and fighting. They are the core and basic skills of performing skills in Peking Opera.

1. Peking Opera is a kind of traditional Chinese art. It has singing, reading, acting and fighting as its basic characteristics. It is a comprehensive performing art with high expressive power and artistic value. The Four Skills are the core and basic skills in Peking Opera performances, which refer to singing, chanting, action and beating respectively.

2. Singing requires Peking Opera actors to have pure vocal quality, accurate pitch and complete melody when performing. Nian means that Peking Opera actors are required to read clearly and emotionally when performing. Doing means that Peking Opera actors are required to dance gracefully and behave appropriately when performing. Fighting means that Peking Opera actors are required to move accurately and neatly when performing martial arts.

3. The Four Skills are the basic skills of Peking Opera performance and the key skills that actors must master. Peking Opera actors need long-term practice and continuous improvement in order to truly master the four skills and demonstrate the superb level of Peking Opera art.

The development and transformation of the Four Arts of Peking Opera:

1. The development of the Four Arts of Peking Opera is closely related to the social background. In the process of China's modernization, Peking Opera has also continuously accepted the integration of new ideas, new concepts and new arts. Therefore, there have been some changes in the performance forms and techniques of the Four Arts. For example, the singing music becomes more lyrical, the recitation becomes more emotional, and the performance movements become more gorgeous.

2. With the development of technology, the four skills in Peking Opera performances have also been better demonstrated. For example, modern stage technology and lighting effects are used in Peking Opera performances to make the Four Arts more vivid and more in line with the aesthetic needs of modern people. Such changes and innovations make Peking Opera performances more exciting and artistically charming.

3. The transformation of the Four Arts in Peking Opera performances also includes the integration of cultural elements. With the development of cultural exchanges and diversification, Peking Opera performances not only absorb traditional Chinese culture, but also incorporate cultural elements from other countries and regions. For example, some Peking Opera works incorporate elements of Western music and Latin dance, adding diversity and interest to the performances.