Abstract: The present invention provides a waterproof wireless keyboard with wireless charging function, comprising: a wireless keyboard set, including a keyboard module having a plurality of key-inputting cells, a wireless communication module connected to the keyboard module to output corresponding commands of the key-inputting cells, and a wireless charging receiver module connected to and powers the keyboard module; and a hermetic case, including a first housing and a second housing that sandwich the wireless keyboard set therebetween, the first housing having a key-inputting portion corresponding to the key-inputting cells, the first housing being peripherally provided with a first seal structure, and the second housing being peripherally provided with a second seal. structure that matches and engages with the first seal structure.