Ordinary facial features. Guochengtang originated in Jinan, inheriting the rich heritage of Qilu culture, and taking "promoting Chinese traditional culture and revitalizing the cause of Chinese medicine" as its own responsibility. Guochengtang restored the traditional culture of China and the traditional Chinese medicine culture. Director Yao has ordinary facial features and has been engaged in clinical and basic research on respiratory diseases for more than 30 years. He has worked in a number of top three hospitals inside and outside the province, and is currently the director of Chinese medicine department of Jinan Asthma Hospital in Shandong Province. Work has been conscientious, treat patients seriously and responsibly, cheerful, steady, energetic, enthusiastic and sincere treatment has been well received by the majority of patients.