The invention relates to lubricating grease for a clamp spring of a sun shade of an automobile. The lubricating grease comprises the following components of 40 to 60wt% of synthetic hydrocarbon base oil, 1 to 3wt% of lithium soap thickening agent, 15 to 30wt% of melamine cyanurate, 15 to 25wt% of boron nitride and 0.2 to 0.5wt% of antioxidant. The lubricating grease has the advantages that the anti-wearing property is excellent, the high and low-temperature property is good, the durability is excellent, and the requirement of whole-life lubricating of the clamp spring of the sun shade of different automobile is met.