The defendant's appeal is dismissed.

1. The sentence imposed by the lower court (ten months of imprisonment) on the summary of the grounds for appeal is too unreasonable.

2. Determination of whether the Defendant has committed a crime of this case since he voluntarily surrendered to the police: The Defendant has committed a crime of this case, which is favorable to the fact that he made a statement to a drug supplier at the time of his investigation agency, etc. However, each of the crimes of this case is necessary to strictly punish and eradicate narcotics offenders in light of the fact that the Defendant purchased phiphonephones (Amphone 2.4g) on two occasions, and caused harm to administered narcotics, etc. In addition, the Defendant has been sentenced four times of imprisonment for the same crime of this case on January 15, 2015; the Defendant committed a crime of this case before and after the completion of the execution of the sentence on August 15, 2015; the Defendant appears to have been sentenced to imprisonment for the same crime of this case; the Defendant has been sentenced for 6 months of imprisonment for a repeated crime of this case; the results of Madmon appraisal are less favorable to the Defendant due to ‘training' reaction; the Defendant has no special reasons to reduce or reduce the number of concurrent crimes of narcotics or recommendations for the same type of crimes;