First find a good teacher to teach you the most basic fingering techniques, and then buy teaching materials according to the teacher's instructions. However, if you feel that your basic skills are not enough, you can buy a Benshmit practice. This is a specialized practice For fingering, then practice these textbooks such as Czerny 599, 849, etc. one by one. The teacher will guide you if you do not practice well. Try not to buy CD-ROM textbooks and practice at home. The effect is not very good. , and some fingering tables are not standard and there is no one to guide me!