Hairdressing is a technical activity. If you want to study better, you must carry out systematic professional training. The purpose of studying dyeing and perm is to make hair look more beautiful. If you don't even know the curl and direction of your hair, how can you blow it well? Therefore, every link of hairdressing is very important. If you want to make progress, you must carry out systematic study and professional technical training, so as to quickly judge what kind of hairstyle customers are suitable for. What should I do?