This article analyzes in-patient medical record front sheet data from 72 private specialized hospitals in 2017 reported on Zhong Wei Yun Institute of Medical Data platform. The 72 private specialized hospitals of different levels involve 18 specialties from 19 provinces，municipalities or autonomous regions in China. The medical service abilities of Chinese private specialized hospitals have been evaluated preliminarily. It also counts the top 10 major diseases in the eye hospitals，cancer hospitals，cardiovascular hospitals and orthopedic hospitals according to number of discharged inpatients from high to low. All data are obtained after data cleaning，standardization processing and accurate analysis. The data source is true and reliable with a certain representativeness，and it may basically reflect medical service capabilities and medical technology levels of Chinese private specialized hospitals.