The traditional multi-target threat assessment methods are usually two-way decisions

only can obtain the threat ranking of targets

need to subjectively determine the threat level and select the number of combat targets

which is not suitable for the complex dynamic mission environment. This paper proposes a multi-target threat assessment method based on VIKOR and three-way decisions under intuitionistic fuzzy information. Firstly

the dynamic intuitionistic fuzzy threat information is aggregated and attribute weights are obtained. Then

the conditional probability of targets for decision making is obtained by VIKOR method. Finally

the loss function matrices of targets under each attribute are constructed by attribute information

the comprehensive loss function matrix is obtained after aggregation and the comprehensive thresholds and decision rules are obtained. The case studies show that the proposed method can effectively deal with the dynamic uncertain situation information

transform the ranking results of two-way decisions into classification results of three-way decisions

and can objectively select the combat targets via situation information.