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We investigate quantum transport of carriers through a strained region on monolayer phosphorene theoretically.The electron tunneling is forbidden when the incident angle exceeds a critical value.The critical angles for electrons tunneling through a strain region for different strengths and directions of the strains are different.Owing to the anisotropic effective masses,the conductance shows a strong anisotropic behavior.By tuning the Fermi energy and strain,the channels can be transited from opaque to transparent,which provides us with an efficient way to control the transport of monolayer phosphorene-based microstructures.