Provided is a jun porcelain leopard print glaze. The glaze comprises a bottom glaze and a top glaze. The top glaze is prepared from, by weight, 20-30 parts of melilite, 10-22 parts of drug, 12-14 parts of calcite, 12-17 parts of quartz, 2-6 parts of copper ore, 3-5 parts of white feldspar, 1-2 parts of Suzhou soil, 1-3 parts of iron ore and 0.1-0.5 part of blue powder. According to the glaze, themelilite, the drug and the white feldspar are used as main solvents with high iron content, the calcite and the quartz are used as cosolvents, a small amount of Suzhou soil is used, the combining of the bottom glaze and the top glaze is strengthened, the copper ore, the iron ore and the blue powder are used as coloring agents, a large number of flaky crystal flowers are grown in the case of increasing the firing temperature to form a unique leopard print, and the glaze has excellent ornamental value and artistic value.