The small town of Europa in Xi 'an has been rotten to the extreme. In 20 16, the developer bought the second phase of Europa Town, which was completed and delivered at the end of 6 years. As a result, the owner of the group purchase is miserable, and the elderly and children are physically and mentally exhausted, causing harm to more than 1700 families. In order to safeguard their legitimate rights and interests, it is suggested to buy commercial housing with complete five certificates, and at the same time, they can safeguard their legitimate rights and interests through judicial channels.