There are many reasons why playing basketball can lose weight better than running. First of all, playing basketball can help people burn calories more effectively. It needs jumping, running, shooting and other actions, while running only needs one action. So playing basketball is more conducive to burning calories, which helps to lose weight.

Secondly, playing basketball is more interesting than running. Playing basketball can not only burn calories, but also make people relax and entertain better. Running can help people lose weight, but it may make people feel bored, while playing basketball can make people more interesting.

Besides, playing basketball can help people improve their physical fitness and muscle quality. Playing basketball requires constant jumping, running and shooting, which can help people strengthen their muscle quality and physical fitness. Running can only help people improve heart and lung function, but can't enhance muscle quality.

So it can be seen from the above that playing basketball is more helpful to lose weight than running. It can help people burn calories more effectively, is more interesting, and can help people enhance their muscle mass and physical fitness.