Drama(esp. One-act play) has attractive points covering joyfulness, imaginative power, very tensive pathos even though simple plot and short story. So drama writing is considered very effective in writing class and that students taste aesthetic experience and aspire dramatic fantasy. Futhermore drama writing usually linked to various pre-writing, post-writing activity depending on leader\'s concerning. First ideas of this treatise is that one act play\'s feature, which is well-composed plot, controlled poetic-symbolic expression and pathos. These characteristics are acknowledged through standard one act drama which could be eastern or western choices. Second, teaching-learning performing especially focused on inter-active skills and applying drama convention. And this performing, relatively, could guide to understand basics of drama writing and able to express student\'s idea imaginatively. Here is one condition that practices and drills showed on this paper should be done in cooperative group study and still more participation. Issued contents, this thesis suggest, cover that examining student\'s errors and responses while drama-writing processes. With this data, consequently, this study can show writing-textbook\'s components, also. It could be helpful guide, hopefully, to classroom leader that recognize pre-writing step indeed lead student to learn genre of drama, principle of writing and, lessoms of performing aesthetics. However this study still remains tasks that \'writing & post-writing\' step is not considered and this is kinds of regrets.