In-net ball occurs frequently in volleyball training and volleyball match. A single scoring or missing has a direct influence on the winning or losing of the whole game under the new system of rally--point system. The well handling of in-net balls in a highly efficient way to avoid unnecessary mistakes. This article intends to deal with this problem by suggesting ways to avoid in-net balls and related ways of exercise. In-net ball occurs frequently in volleyball training and volleyball match. A single scoring or missing direct influence on the winning or losing of the whole game under the new system of rally - point system. The well handling of in-net balls in a highly efficient way to avoid unnecessary mistakes. This article intends to deal with this problem by suggesting ways to avoid in-net balls and related ways of exercise.