Hetao melon is Inner Mongolia hetao area of good melon varieties. It has theoretic and practical significance to explore and illustrate its fruit quality constitute factors and its formation mechanism, and it is also helpful to improve the quality. In this paper, we use external morpholog observation and internal physiological indexes combination method to explore the muskmelon fruit development and dynamic accumulation of the sugar and acid, soluble protein during the growing process of the fruit; The pape...