Surgical treatment of cleft lip has a history of more than 1600 years. According to the Book of Jin in China, an official named Wei Yongzhi in the Jin Dynasty had undergone the world’s earliest documented cleft lip surgery. The cleft lip surgery recorded in Western literature is more than 1,000 years later than that in China. Of course, these are all primitive surgeries that simply cut the margin of the cleft and suture it directly. According to statistics, there were no less than 100 types of clinical cleft lip repair procedures, most of which have long been discarded due to poor results. Currently, most cleft lip and palate treatment centers around the world use the Millard method, i.e., the rotary advancement method, and the Tennison method, i.e., the triangular flap method, which is still used in some parts of our country and in a few developing countries. In the 1960s, plastic surgery guru Prof. Millard invented a groundbreaking procedure that advances the upper lip on the affected side and rotates the upper lip down on the healthy side. Unlike the previous method, the healthy tissue was rotated and a flap of tissue from the affected side was advanced to the healthy side to fill the remaining triangular defect in the upper portion of the upper lip, so that the healthy midriff, the bead of the lip, and the affected upper lip were left undamaged. The natural anatomy of the lip is well preserved by this procedure, and the incision is along the midline ridge with no visible scar. Postoperatively, the maximum tension of the lip is placed at the base of the nose, which reduces the possibility of recurrent clefting and conforms to the physiological condition of the lip that is tight at the top and loose at the bottom, and at the same time corrects the deviated nasal columella. For patients who have difficulty in fully descending the arch of the lip, a “back-cut” incision can be used, and at the same time play a role in lengthening the nasal columella, which is not easy for beginners to master due to the design and implementation of a more flexible, the operator must have received systematic training in plastic surgery, and must have an in-depth understanding of the anatomy of the cleft lip, which is usually referred to as the rotational advancement method. This is often referred to as the rotational advancement method. This method has stood the test of time and is still the most commonly used technique for unilateral cleft lip revision worldwide. Since then, some scholars have used the rotational advancement method to repair unilateral cleft lip while correcting nasal deformity, and achieved very good results. This method has been used in the clinic for two decades, and no complications such as nasal wing cartilage dysplasia expected by the opponents have been detected, so the question of whether or not to correct nasal deformity when repairing cleft lip has been settled, and the vast majority of cleft lip and palate centers in developed countries now use this technique. The vast majority of cleft lip and palate centers in developed countries now use this technique. In addition, the Tennison method, i.e., the triangular flap method, was the most popular cleft lip repair procedure before the emergence of the Millard procedure, which is characterized by a fixed design, easy to learn, and is suitable for beginners and grassroots hospitals. Therefore, this procedure is still used in some parts of the country and a few developing countries. However, this procedure is ineffective in repairing the deviated nasal columella and nasal base, the affected side of the human middle ridge cannot be reconstructed, scarring is obvious, and there will be the disadvantage of gradual lengthening of the affected side of the upper lip in terms of long-term results. So its application should be minimized.