Credible. Jia Tianxia is a surgeon in Kaiyuan Traditional Chinese Medicine Hospital. Good at gastrointestinal diseases and common operations, holding a doctor qualification certificate. It can be seen that Jia Tianxia's Chinese medicine course is credible. Traditional Chinese medicine generally refers to the traditional medicine created by the working people of Han nationality in China, so it is also called traditional Chinese medicine, which is a subject that studies human physiology, pathology, disease diagnosis and prevention.