About a century after the invention of the suspension line, another line that was based on the nature of the artist and the aesthetic taste of Iranians appeared. Elegance is one of the characteristics of Nastaliq Mir Emad al-Hasani, with a brilliant and unique presence, exhibited new works in this field during the Safavid period. During the Qajar era, calligraphy found life again and Nastaliq was noticed. In the current era, Gholamhossein Amirkhani is one of the leaders of calligraphy and has a stunning presence in contemporary calligraphy. He has masterfully performed works with different genres. The first point in learning calligraphy is the point. The formation of words, lines and calligraphy works are affected by this element. The point can be of interest from various other aspects such as the effect on the legibility of the beauty aspect and being placed in different parts of the page. The researches carried out in relation to the role of the point in calligraphy have investigated the types of punctuation, the relationships between the points, and also the role of the point writing. The main problem in the current research is to visually examine the types of points in Nastaliq script (Chalipa style) in the works of Mir Emad and Amirkhani from a visual point of view, as well as to analyze the rules related to the relationship of calligraphy. The question is, what is the position of the point and the level of accuracy in the execution of the types of points, punctuation in line with the slope of the words, the Line and background line , the tendency to the right, and the transfer of meaning with point in the Safavid and contemporary eras in the Mir Emad and Amirkhani crosses? The present research is based on written sources and observation of the works of two professors and through descriptive-analytical documentary research. The result of this research and analysis shows the accuracy of Gadama's work and knowledge of punctuation, combining points, removing points, common points, extra points, observing silence and front, observing balance and equilibrium in the whole piece and It is static.