Abnormality detection method and device, electronic equipment and computer readable medium

The invention discloses an anomaly detection method and device, electronic equipment and a computer readable medium, and relates to the technical field of big data processing. A specific embodiment of the method comprises the following steps: obtaining index values of various business indexes of various detection entities; calculating the cumulative probability of each business index of each detection entity according to the index value of each business index of each detection entity; and inputting the cumulative probability of each business index of each detection entity into an unsupervised model for unsupervised training, thereby outputting an abnormal detection entity and an importance sequence of each business index corresponding to the abnormal detection entity, and sending the abnormal detection entity and the importance sequence of each business index corresponding to the abnormal detection entity to a target user so as to give an abnormal alarm to the target user. According to the embodiment, the tec