Long summer's taste of three delicacies is also called "long summer eats three delicacies" or "long summer sees three new things". Sanxian is generally divided into "ground sanxian", "tree sanxian" and "water sanxian". People in our country have always had the habit of tasting three delicacies on the day of long summer.

The three fresh plants are broad bean, amaranth and cucumber (amaranth, wheat, broad bean, amaranth, broad bean and garlic sprout); Three fresh trees are cherry, loquat and apricot (plum, apricot and cherry, but also plum, cherry and Toona sinensis head).

Three fresh waters are sea-fish, puffer fish and shad (shad, pomfret and yellow croaker, but also shad, whitebait and mackerel). Among them, it is the most common to taste the three fresh potatoes. In the northeast, the three fresh potatoes become fried potatoes, eggplant and peppers.

Sanxian in Northeast China is a home-cooked dish with braised pork. This dish is bright in color, delicious and refreshing, and has the effects of stopping bleeding, invigorating spleen and appetizing. The three fresh waters are conch, puffer fish and shad (shad, pomfret and yellow croaker). This kind of three fresh seasons can be bought in the market, but it may be more fun to enjoy these foods in solar terms.