The invention relates to an automobile exterior plate electric galvanized extra deep drawing plate with high-grade surface morphology and a production method thereof. The brand number of the electricgalvanized extra deep drawing plate is DC06+ZE, and the electric galvanized extra deep drawing plate comprises the chemical compositions of, by mass, less than or equal to 0.0012% of C, less than or equal to 0.015% of Si, 0.05-0.18% of Mn, less than or equal to 0.015% of P, less than or equal to 0.010% of S, 0.03-0.05% of Nb, 0.02-0.05% of Als, less than or equal to 0.003% of N, and the balance iron and unavoidable impurities. The yield strength of the electric galvanized extra deep drawing plate is 110-170 MPa, the tensile strength is 260-330 Mpa, the elongation A80 is larger than or equal to43%, the plastic strain-ratio r90 is larger than or equal to 2.5, and the work hardening index n90 is larger than or equal to 0.22; and according to the surface morphology, Ra is 1.1-1.6 [mu]m, RPc is larger than 60 pieces/cm, and Wsa is less than 0.34 [mu]m.