With the Ningqi 1 and Ningqi 3 as the materials,to study the effects of different concentration of PPP333 and CCC about Lycium barbarum L.seedlings,to study the effects of growth of Lycium barbarum L.for the number of times used CCC at the same level of cultivation and management.Experimental evidence,PPP333 and CCC can restrain Lycium barbarum L.seedlings' growth.When CCC was 1 000 mg/L,the growth restrain clearly.Repeated spraying of Lycium barbarum L.will continue to inhibit the growth of seedlings.