张海于篆、隶、楷、行草均能兼攻而兼善,体现出他高超的融通能力。对于孙过庭“通会之际,人书俱老”的观念,张海有着独到体悟:“所谓‘通会’者,包括诸多方面,四体之通会亦当在其中矣。盖书之四体,体势虽殊,其理一也。苟能融会贯通,庶几知书之妙谛矣。”“体虽四分,神则一合。”《岁月如歌——张海书法展作品选》,人民美术出版社二○一○年四月版,第四二页)当今书家,精一两体者颇多,通诸体者甚少。对张海而言,四体书如人之四时衣着,虽然体势有异,但 Zhang Hai in Zhuan, Li, Kai, line of grass can both attack and both good, reflecting his superb ability to integrate. For Sun Chaotian “the occasion of the meeting, people are old books ” concept, Zhang Hai has a unique understanding: “the so-called ’General Assembly’, including many aspects, the four bodies of the general meeting should also carry on. Covering the book of the four body, although the body is different, the reason is also one. Gou can be mastered, the essence of knowledge of a few know the truth. ”“ Although the body of a quarter, a combination of God. ” Selected Works of Zhang Haishu Calligraphy Exhibition, People’s Fine Arts Publishing House, April 2010, p. 4) Today’s bookjournalists have a lot of sophistication and sophism, with few people passing through them. For Zhang Hai, the four-character book is like a man of four, although different in physical appearance