A control method of an electronic apparatus is provided. The electronic apparatus has a non-contact gesture sensitive region. The control method includes: identifying at least one object type of at least one non-contact object within the non-contact gesture sensitive region in a plurality of object types; determining respective numbers of non-contact objects corresponding to the identified at least one object type; detecting motion information of the at least one non-contact object within the non-contact gesture sensitive region; recognizing a non-contact gesture corresponding to the at least one non-contact object according to the identified at least one object type, the respective numbers of non-contact objects and the motion information; and enabling the electronic apparatus to perform a specific function according to the non-contact gesture.