| Aspen clone is fast growing wood, and they are widely planted in China. With the increasing shortage of paper woods, it could be a better material for pulping industry. In this paper, four kinds of Aspen Clones APMP were researched. Fiber morphology, chemical component were discussed, paper properties in a series of freeness between these four kinds of aspen clones were compared, screen results and pulp component were analyzed.Fiber length of these four kinds of aspen clones is a bit longer than other aspen clones. They have thin fiber wall and big fiber cavity. Fiber morphology is quite good which indicate good paper properties. The chips'color is apparently white which would save the dosage of chemicals. The triploid of Populus Tomentosa which are 5 years old can be used for pulping , obviously showing their fast-growing predominance.Energy consumption are also crucial parameters. It can not be ignored that energy consumed in the stage of press which account for 22 percent. With the decrease of freeness, energy consumption increased, brightness, opacity and LSC had a tiny change, density and tensile index increased, tear index increased at beginning but decreased slightly afterward. These paper properties: opacity: above 88%, LSC: above 45 m2kg-1, tensile index :above 31 Nmg-1, tear index: around 6 mNm2g-1.The results of screen show that, with the decrease of freeness, the percent of +30 decreased, the percent of -50+200 and -200 increased nearly the same range. That change is favored for improve some paper properties.Some suggestions in pulping technology, equipment management and process control for future studies were given in the paper, in order to develop the aspen APMP performance and generalize their commercial utilization.
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