The therapy for addicts has been continually made by psycho-therapeutic medical doctors but the problems of an addict family has not been the main concerned field. Furthermore, Christian counseling therapy for the addict family is the frontier stage although it has been trying to approach in part. This article suggests the principle of laughter therapy to get out of the depression by understanding the co-dependence of addict families. The problem of an addict is not that of an individual but that of a family. Co-dependence of the addict family influences all members of the family. It makes them respond to the depression. The process of sharing the grief is necessary to heal the depression. But the article focuses on the principle of laughter therapy in order to find the source of happiness and joy. Gospel is the message of joy. It is to present laughter for those who are depressed in a closed space. The kingdom of God is not related to the food of body but related to the joy of Holy Spirit. Laughter therapy is not only the work of the Trinitarian God but also missionary commission which is given to all Christians. Christians use the beautiful foots and joyful faces to present the gospel. They give people the message of joy. Christians are bearers of the gospel relying on the Holy Spirit so that they can give the joy to the depressed.