Among 54 patients, 14 (25.9%) were identified as ABP, and 40.7% (22 cases) were HLP (including 2 patients) with gestational diabetes, and 1 patient diagnosed with cholelithiasis detected on ultrasonography, but who had normal liver function (alanine aminotransferase [ALT] 20 U; aspartate aminotransferase [AST] 20 U; gamma-glutamyl transferase [GGT] 30 U; alkaline phosphatase [ALP] 89 U; total bilirubin [TBIL] 24 mmol/L; total bile acid [TBA] 2.0 mmol/L; triglyerides [TG] 16.62 mmol/L; total cholesterol [TC] 29.11 mmol/L). The gene discussed is GPT; the disease is hyperkeratosis lenticularis perstans.