The plant height is 30 ~ 40cm, the stem is smooth and stout, hard, quadrangular, gray-green, with many branches, swollen internodes, thick opposite leaves, linear, broadly lanceolate, oblong-lanceolate or even rectangular. Flowers are inserted at the top of branches, umbrella-shaped, with the largest sequence diameter 10 ~ 20cm. A flower can bloom dozens or even hundreds of flowers at the same time, with single or double petals, irregular petals, serrated edges and rich fragrance. The colors are extremely rich, including pure white, pink, pink, light purple, purplish red, stripes, spots, edging, sprinkling gold and other colors. There are four rhomboid ovate bracts under the calyx, and the apex is short, which is about 1/4 of sepals. Calyx tube green, 5-lobed. It is cultivated in a greenhouse and flowers can be seen all year round. Recently introduced new varieties are: perennial carnation' Feast' likes light color or semi-shade, with a plant height of 20 cm and dark pink flowers. Suitable for large-scale planting. The perennial carnation' Maiti' likes light or semi-shade, with a plant height of 10 cm, pink flowers, clusters, drought tolerance and stony flowers.