How to Prune sweet box?
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.

sweet box · Sarcococca confusa
Grow in moderately fertile, moist but well-drained humus-rich soil in shade. Full sun may be tolerated when planted in damp soil. Also tolerant of atmospheric pollution, dry shade and neglect
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.