An optical channel shifting device includes a containing unit having a first inner space and a second inner space adjacent to the first inner space, an input optical fiber held in the first inner space, an output unit having a first output optical fiber and a second output optical fiber and a driving assembly held in the second inner space. The containing unit includes a first side, a second side opposite to the first side and two guiding channels located between the first side and the second side and held in the first inner space. The first output optical fiber and the second output optical fiber are respectively fixed in the guiding channels. The driving assembly includes a switching lever shifted in either a first position or a second position and a performing edge connected with the switching lever and attached with the input optical fiber in the form of the point-contact.

 
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