Lycium barbarum can be used as both medicine and food, and has the functions of nourishing liver and kidney and benefiting eyesight. Suitable for diabetic patients. 2 1 century, due to the change of modern health care mode from treating diseases to strengthening body and preventing diseases, Lycium barbarum has the functions of nourishing, health care and improving human immune function, and fast-growing Lycium barbarum is suitable for diabetics, so the export and domestic demand of fast-growing Lycium barbarum have greatly increased. According to inaccurate statistics, fast-growing Lycium barbarum is exported to Korea only 2000-2500 tons per year, and the domestic demand reaches 4000-5000 tons per year. Fast-growing Lycium barbarum has strong adaptability, high temperature resistance, cold resistance, drought resistance, light resistance and salt resistance, and loose requirements on soil. It is suitable for the development of northern China, including North China, Northwest China and Northeast China. Second, the economic benefit analysis: the fast-growing Lycium barbarum bears fruit in the same year after transplanting, but the yield per mu is only about 50 kg/mu. After 2-3 years, the yield per mu can reach 200-300 kg/mu, which can last for more than 15 years. With proper management, the full fruit period can last for 20 years. At present, the cultivation of fast-growing Lycium barbarum in China has not yet formed a scale, and the output is not large, which is in a state of short supply. The export price to South Korea this year is 55-60 yuan/kg, which Korean businessmen buy all the year round. According to the market price of 55 yuan/kg, the yield per mu in that year is 50 kg/mu, and the yield per mu in that year is about 2750 yuan/mu. After entering the full fruit stage, the yield per mu is 200 kg/mu, and the yield benefit per mu is about 1 1000 yuan/mu. Therefore, it is a medicinal variety with high economic benefit to develop large-scale fast-growing Lycium barbarum cultivation in northern China. Gentiana macrophylla: At first, it was mainly wild in Daxing 'anling and Changbai Mountains in Northeast China. Due to forest retreat, woodland was reclaimed as farmland, and years of disorderly over-excavation, wild resources were almost exhausted. Now Fushun and Anshan areas in Liaoning Province have been introduced as domestic species. 1. Market analysis: Radix Gentianae has the functions of clearing away heat, moistening dryness and purging liver and gallbladder fire. It is the main raw material for producing Longdan Xiegan Pills, with an annual demand of 3,000-4,000 tons. Due to the near exhaustion of wild resources and the serious shrinkage of domestic Gentiana macrophylla in previous years, the total output of domestic Gentiana macrophylla this year is less than 300-400 tons, and there is still a gap in market supply. At present, the market of Gentiana scabra has risen to 75-80 yuan/kg, and it sells smoothly. Second, the economic benefit analysis: the growth period of Gentiana scabra is three years, the first year is seedling raising, the second year is transplanting, and the third year is burrowing. The yield per mu is about 200-250kg/kg. According to the market price of 80 yuan/Jin, the yield per mu for three years is 16000-20000 yuan/mu, and the average yield per mu is between 5300-6600 yuan. Gentiana likes sunny and humid climate, and has low requirements for soil. It is an efficient medicinal variety suitable for the development of northern China in recent years. Glehnia littoralis: Glehnia littoralis is mainly produced in Chifeng, Inner Mongolia, Anguo, Hebei and Laiyang, Shandong, which shows that Glehnia littoralis has a wide ecological range. Radix Glehniae has the effects of benefiting stomach, promoting fluid production, nourishing yin and clearing lung-heat, and was regarded as the first choice drug to prevent and treat SARS in 2003. 1. Market analysis: Radix Glehniae can be used as medicine and food. In addition to domestic demand, it has been exported to South Korea for many years, with an annual demand of 3,000-4,000 tons. In recent years, due to the time-consuming processing of Glehnia littoralis, farmers choose other beneficial varieties. The planting area of Glehnia littoralis has not expanded in recent years, and the market price has been stable at 1 1- 13 yuan. 2. Economic benefit analysis: Glehnia littoralis is propagated with seeds, sown in early winter or early spring, and excavated in autumn of that year, with an average yield of 300-500 kg/mu. According to the market average 14 yuan/kg, the average benefit is 4,200-7,000 yuan/mu. The export of Glehnia littoralis with skin to South Korea is calculated as 12 yuan/mu, and its income per mu is between 3600-6000 yuan/mu. In addition, the varieties of medicinal materials suitable for development in North China in 2008 are: Scutellaria baicalensis Georgi, Pinellia ternata, Rhizoma Arisaematis, Rhizoma Belamcandae, Radix Salviae Miltiorrhizae, Radix Saposhnikoviae, Radix Polygalae, Rhizoma Dioscoreae Septemlobae, Polyporus and so on.