The invention relates to a 
disease risk predication method and 
system. The method comprises the following steps of: S1, receiving input 
gene sequencing result information; analyzing the input 
gene sequencing result information to obtain all 
mutant gene information; S2, looking up 
disease gene mutant information of corresponding gene sites from a precision 
medical knowledge base according to the gene sites corresponding to the 
mutant gene information, so as to obtain at least one piece of 
disease gene mutant information; S3, matching each piece of the 
disease gene mutant information with all the 
disease gene mutant information to obtain the similarity of each piece of the 
mutant gene information, and all the 
disease gene mutant information; and S4, obtaining a risk predication table aiming at the gene sequencing result information according to the similarity of each piece of the 
mutant gene information, and all the disease 
gene mutant information. By analyzing an association relation of susceptibility genes, 
mutation sites, 
mutation types and diseases, 
disease risk predication is carried out on healthy people and general 
disease risk grade predication is provided; disease risks in the future are reduced.