目的调查黄金分割律在成人舌系带上的体现并分析其临床意义。方法选取2008—2009年昆明市延安医院体检人员15392名(男8719名,女6673名),测量舌系带各段的长度:A段为口底下颌骨黏膜转折处至舌下肉阜处的颌下腺导管口,B段为舌下肉阜处的颌下腺导管口至舌系带转折点,C段为舌系带转折点至舌系带与舌腹之附丽顶点。对所得数据进行统计分析。结果 15392名体检人员中A/(B+C)≈0.5共10576名,所占比例为68.71%;男性中A/(B+C)≈0.5为6004名,比例为68.86%;女性中A/(B+C)≈0.5为4572名,比例为68.51%,男女间差异无统计学意义(χ2=0.21,P>0.05)。20～40岁,>40～60岁,>60岁体检人员中A/(B+C)≈0.5所占比例分别为68.55%(5026/7332)、65.15%(4103/6298)、82.12%(1447/1726),三者间差异均有统计学意义(均P<0.05)。结论舌下肉阜处的颌下腺导管口位于舌系带前1/3分界点具有较显著的代表性,符合人体中线黄金分割律。 Objective To investigate the golden section of the law in adult tongue system and analyze its clinical significance. Methods A total of 15 392 medical examiners (8,719 males and 6,673 females) were enrolled in Yan’an Hospital of Kunming from 2008 to 2009. The length of each segment of the tongue laceration was measured. The length of the segment was measured from the junction of the mandibular mucosa to the sublingual goaf Submandibular gland duct mouth, B segment sublingual foramen submandibular gland duct mouth to the tongue transition point, C segment tongue transition point to the lingual tongue and belly tongue attached to the apical junction. The resulting data for statistical analysis. Results A total of 10539 A / (B + C) ≈0.5 were found among 15 392 medical staff, accounting for 68.71% of the total, and 6004 A / (B + C) ≈0.5 were male, accounting for 68.86% (B + C) ≈0.5 was 4572, with a ratio of 68.51%. There was no significant difference between men and women (χ2 = 0.21, P> 0.05). The proportions of A / (B + C) ≈0.5 in 20-40 years old,> 40-60 years old and> 60 years old were 68.55% (5026/7332), 65.15% (4103/6298) and 82.12% 1447/1726), the differences among the three groups were statistically significant (all P <0.05). Conclusions The submandibular gland duct mouth located at the sublingual gavit has a prominent representation at the first 1/3 demarcation point of the tongue girdle, which is in line with the golden sectionation rule of the human body.