Barber shop apprentices: Many barbershops accept apprentices. Middle-aged and elderly people can go to barbershops and learn hairdressing techniques from experienced hairdressers. Although this way of learning is traditional, they can experience the actual working environment, learn from it and accumulate practical experience.

2. Community education centers: Community education centers often provide various skills training courses, including hairdressing skills, where middle-aged and elderly people can find suitable courses and learn hairdressing techniques at a lower cost.

3. Online learning platform: With the development of network technology, more and more online learning platforms appear, offering various types of hairdressing courses, including basic theory and practical operation. Middle-aged and elderly people can learn hairdressing skills at home by watching teaching videos and participating in online discussions.

4. Hairdressing salons: Some hairdressing salons provide hairdressing training in addition to hairdressing services. Middle-aged and elderly people can choose such salons and learn hairdressing techniques through practical operation.

5. Hairdressing product companies: Some hairdressing product companies will hold various hairdressing training courses in order to promote their products. Middle-aged and elderly people can pay attention to the training activities of these companies and participate in relevant training courses.

6. Hairdressing volunteer organizations: Some volunteer organizations will provide hairdressing training. Middle-aged and elderly people can join these organizations, learn hairdressing techniques through voluntary service and make contributions to society.