In the present study, the features of forgiveness and its three dimensions in different interpersonal relationships were explored. The participants were 388 Chinese students from junior middle schools, senior high schools and colleges, who were around 12.00-21.67 years old filling out Enright Forgiveness Inventory in class. MANOVA design was applied to analyzing data. The results indicated as follows: There were two main types of offender, peers (40.9%) and family members (29.9%). When the offender was peer, the forgiveness level of junior middle school students was the highest; when offender was family member,the forgiveness level of every age group was not statistically significant different with each other. At junior middle school stage, the forgiveness level of every type of offender was not significantly different; At senior high school and undergraduate stage, the forgiveness level to family member was significant higher than that of peer. Among all age state, the forgiveness level of affective dimension was significantly lower than that of behavioral dimension and cognitive demension.