The practical teaching is an important teaching process in professional education plan of international trade major. The pactice of L/C (letter of credit) settlement transaction is important content of practical teaching. The implementation of UCP600 brings new requirements for the credit business operation. About the new rules, we must make some adjustment in practical teaching of international trade in time. The paper analyzes the new changes of UCP600 comparing to UCP500, then analyzes the existing problems of international trade practical teaching. In final, the paper puts forward the countermeasures to cope with UCP600.

Based on the construction and teaching practices of school's quality network curriculum of material physics and chemistry in Chengdu University of Technology, a few related hot issues are discussed in this paper. The orientation and characterization of the quality network curriculum are analyzed. And a series of the concrete optimization countermeasures and measures are put forward to improve the curriculum construction and teaching quality, such as teaching aims and demands, curriculum system and structure, teaching methods and means, curriculum management and evaluation, and websites construction and service quality and so on. We point out that the long-time construction, maintenance and service of the excellent quality website play a key role in the quality network curriculum construction and teaching. This has important realistic significance to increase continue the teaching effect and promotes professional cultivation of materials science and engineering.