190cm, 75KG is really too thin. For playing basketball, in addition to enhancing one's jumping ability, it is more important to make oneself strong, because basketball is a highly antagonistic sport, and thinness suffers a lot in physical confrontation. Under the guidance of a fitness instructor, you can go to the gym for systematic training, strengthen strength, endurance and bounce, and make targeted scientific diet arrangements. Of course, long-term actual combat on the field is also very important. If you persist for a long time, you will certainly gain something, whether it is physical fitness or ball skills. Hehe, friend, come on!