Whether Yuan's course is credible or not needs to be judged according to the specific situation. Yuan is a practitioner who has been focusing on Chinese massage for 20 years. His courses include Chinese medicine massage, acupoint massage and qi and blood protection. His courses have been well received by some people, who think that Yuan's courses are easy to understand and rich in practical experience, which can help them improve their physical condition. The credibility of any course needs to be considered in combination with the actual situation and needs of individuals.