A golf system with a wireless charging function includes a golf bag, an in-bag wireless rechargeable battery apparatus, an in-bag charging apparatus and an out-of-bag wireless charging apparatus. The in-bag charging apparatus includes an in-bag charging control circuit and an in-bag wireless charging module. The out-of-bag wireless charging apparatus converts an original voltage into an out-of-bag wireless charging signal. The out-of-bag wireless charging apparatus utilizes the out-of-bag wireless charging signal to wirelessly charge the in-bag wireless rechargeable battery apparatus. The in-bag wireless rechargeable battery apparatus sends a battery voltage to the in-bag charging control circuit. The in-bag charging control circuit sends the battery voltage to the in-bag wireless charging module. The in-bag wireless charging module converts the battery voltage into an in-bag wireless charging signal.