Thermosensitive peptide hydrogel

A thermosensitive peptide hydrogel, comprising:

• water;
• at least a polymer of a polyether or a polyol;
• and
• a peptide molecule having a chemical structure as shown in chemical formula (1) below:
• wherein A is a molecular moiety with at least one aromatic group substituted with 0-5 identical or different halogen atoms, and the halogen atoms are independently fluorine, chlorine, bromine, or iodine atoms;
• R1 and R2 are each independently hydrogen, a substituted or unsubstituted C1-C16 alkyl group;
• R3 and R4 are each independently hydrogen, C1-C10 alkyl, C7-C10 aralkyl, C2-C10 alkylthioalkyl, C7-C10 hydroxyaralkyl, C6-C10 heteroaralkyl, C2-C10 carboxyalkane, C2-C10 guanidylalkyl or C1-C10 aminoalkyl;
• B is —OH, —OR5, wherein R5 is hydrogen, alkyl, aralkyl, alkylthioalkyl, hydroxyaralkyl, heteroaralkyl, carboxyalkyl, guanidylalkyl, glycosyl, or oligonucleic acid groups;
• x is an integer from 0-10, and each R1 or R2 is identical or different;
• and
• y is an integer from 1-20, and each R3 or R4 is identical or different.