Since March 2023, Cai Kangmiao, a lawyer from King&Capital Law Firm, has been invited to give lectures for the public welfare of the Red Maple Academy of the China Foundation for the Development of Aging, which is an important part of the China Foundation for the Development of Aging's public welfare action of cultural aging and specializes in more than 70 live courses of cultural and artistic learning for the elderly friends in the country, such as music, dance, musical instruments, calligraphy and painting, etc. The courses are mainly focused on the protection of personal rights and interests, family members getting along, marriage protection, property disposal protection, children's support, inheritance, plus special courses on the protection of personal rights and interests of the elderly friends.

Lawyer Cai Kangmiao opened "civil law and legal practice" course, for a semester of lectures, mainly focusing on the protection of personal rights and interests of elderly friends, family members get along with each other, marital protection, property disposal protection, child support, inheritance, plus special scenarios, such as consumption, tourism, medical treatment of daily situations of personal and property protection, from the focus of the controversy, the crux of the problem, the characterization of the law, the solution to the problem from the point of view of analysis, case statement, to explain the case. It will analyze the disputes, crux of the problems, legal characterization and solution paths from the perspectives of dispute focus, crux of the problems, legal characterization and solution paths.

After the opening of the course, the participants were enthusiastic in learning, studying and discussing online on time, especially interested in legal hotspots such as intentional guardianship, personal safety protection order, right of abode of houses, and transfer of second-hand houses with mortgage in Beijing. At the end of each course, the students actively completed the post-course homework assigned by Mr. Cai Kangmiao, which was reviewed and commented by Mr. Cai Kangmiao. Participants said that the course is very close to the actual life of the elderly, Mr. Cai Kangmiao explained to the students in depth and in a way that is easy to be accepted and digested by the elderly, which is very beneficial to all of them.