The invention discloses a light shielding filter for infusion. The light shielding filter comprises a liquid inlet and a liquid outlet which are connected with an infusion pipe; the filter comprises an upper shell body and a lower shell body; the upper shell body and the lower shell body are combined to form a filtering cavity; a filtering membrane is arranged at a connection part of the upper shell body and the lower shell body and the filtering membrane is used as a boundary and is used for separating the filter into an upper filtering cavity and a lower filtering cavity; supporting ribs arearranged between the filtering membrane and the upper shell body and between the filtering membrane and the lower shell body; through holes for medicine liquid to pass are formed in the supporting ribs; a first exhausting hole is formed in the top of the upper filtering cavity and a first exhausting membrane is formed in the inner side of the first exhausting hole; a second exhausting hole is formed in a side face above the lower filtering cavity; a second exhausting membrane is arranged at the inner side of the second exhausting hole; a light shielding cover sleeves the periphery of the filter; corresponding openings are formed in the first exhausting hole and the second exhausting hole of the light shielding cover. The filter provided by the invention has the advantages of high filtering efficiency, good exhausting effect, light-shielding function and the like.