The body is nearly cylindrical, and the kiss is round and blunt. Below the mouth, there is a deep notch in the center of the kiss skin, and neat papillae are distributed near the mouth and lower lip. The snout and lower lip are flared when everted. It must be two pairs. There are no spines on the dorsal fin. The anus is near the starting point of the anal fin. Lower fish like to live in mountain streams, caves and rivers with running water or springs. We often file algae and organic matter attached to underwater rocks every day. Laying eggs in cracks or caves in the upper reaches in March and April. The individual is not big, the meat is tender and rich in fat. For the upstream food fish. Distributed in the upper reaches of the Yangtze River. Spring fish is a common edible fish in Sichuan, Guangxi and Yunnan. The growth rate is slow, the common rate is about 0.5- 1 kg, and the largest rate is about 3.5-4 kg. The yield is not large, but its meat is tender, delicious and rich in fat, which is an edible treasure. Fresh meat as medicine has the effects of invigorating qi and stopping bleeding, and is mainly used for diarrhea, hematemesis, metrorrhagia and so on.