The utility model relates to a lamella aversion chi is got in pteryium operation belongs to ophthalmic therapy surgical instruments technical field, including handheld pole, handheld pole both ends are equipped with gets lamella aversion chi, gets lamella aversion chi and includes the chi body and connecting rod, and the chi body is connected on handheld pole through the connecting rod, gets thatlamella aversion chi is whole to be the obtuse angle contained angle with handheld pole, and the wide one end of chi body width one end at both ends is narrow, and the sign is gone up to the chi bodyhas a millimeter scale, is equipped with operation line auxiliary fixture on the connecting rod. This aversion chi simple structure, it is more accurate to measure when getting the conjunctival flap of taking the stem cell through the chi body structure, and whether moves when pulling no matter shrinkage, also need not calm down, and the circumstances of conjunctival flap upset and can not take place for all can be accurate pull to the damaged district of triangular mass of mucous membrane growing from the inner corner of the eye conjunctiva, guarantees surgical treatment of quality and speed.