The utility model discloses a permanent-magnet synchronous motor stator punching sheet. The permanent-magnet synchronous motor stator punching sheet comprises tooth parts, yoke parts, boot parts and wiring grooves. The ratio of the external diameter and the internal diameter of the stator punching sheet is 1.962 minus and plus 0.002, the number of the wiring grooves of the stator punching sheet is 9, and the widths of the tooth parts are 2 minus and plus 0.1 times of the thicknesses of the yoke parts. The thicknesses of the boot parts are 0.5 mm minus and plus 0.02 mm, and the oblique angles of the boot parts are 22-degree minus and plus 0.1 degree. The permanent-magnet synchronous motor stator punching sheet of the utility model is high in energy conversion efficiency, little in leakage flux and small in cogging torque, and relates to the motor technology field.